CN208472144U - A kind of device adding steel scrap into LF furnace - Google Patents
A kind of device adding steel scrap into LF furnace Download PDFInfo
- Publication number
- CN208472144U CN208472144U CN201821032545.0U CN201821032545U CN208472144U CN 208472144 U CN208472144 U CN 208472144U CN 201821032545 U CN201821032545 U CN 201821032545U CN 208472144 U CN208472144 U CN 208472144U
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- steel scrap
- furnace
- feed bin
- steel
- scrap
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model relates to a kind of into LF furnace adds the device of steel scrap, including steel scrap feed bin, the weighing bucket below steel scrap feed bin and the chute below weighing bucket；Steel scrap feed bin inner wall is equipped with multiple burners, and steel scrap enters in LF furnace after being weighed by weighing bucket through chute.Steel scrap can be easily added into LF furnace, and adding amount of scrap steel is controllable in real time according to steel-making actual production situation using the utility model, to realize that full process scrap ratio is made steel in raising, reduce the purpose of iron loss.
Description
Technical field
The utility model relates to a kind of into LF furnace adds the device of steel scrap, belongs to LF furnace refining ancillary equipment technology neck
Domain.
Background technique
LF furnace (LADLE FURNACE) i.e. ladle refining furnace is main external refining equipment in steel production.LF furnace
Main function is desulfurization, temperature adjusting, trimming, improves Molten Steel Cleanliness and slag making；LF furnace mainly by the white slag in furnace,
Into furnace, blowing argon gas is stirred in the hypoxic atmosphere that oxygen content is 5%, and is heated by graphite electrode to by the molten steel of first furnace
And complete refining process；LF furnace is indispensable control composition, temperature and guarantor on continuous casting, particularly alloy steel continuous casting production line
The equipment for depositing molten steel has become the main external refining means in home and abroad in recent years, and in production to widely answering
With.
There are two the iron-bearing material source of steel and iron industry is main: first is that ore, second is that steel scrap；The former is natural resources, after
Person is the regenerated resources of recycling；Steel scrap is mainly used for the steel-making master of steel-making additive or short route electric furnace in long process converter
Material；Process before eliminating the iron such as sintering, coking, ironmaking as steelmaking feed using steel scrap, reduces energy consumption and disposal of pollutants, consumes
The scrap resources of society's accumulation；Meanwhile being greatly reduced with domestic steel scrap price, converter smelting is carried out as raw material using steel scrap
Production cost can be greatly reduced in refining；Therefore, domestic smelter just reduces iron loss in Efforts To Develop steel making working procedure, improves scrap ratio
Research work.But by retrieval discovery, the correlative study of domestic smelter focus mostly on converter add steel scrap technique and
Technology, and how to add the technology of steel scrap into LF furnace is still blank.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of into LF furnace adds the device of steel scrap, utilizes the dress
It sets and is convenient to add steel scrap into LF furnace, improve and make steel full process scrap ratio, reduce iron loss.
The technical solution for solving above-mentioned technical problem is:
It is a kind of into LF furnace add steel scrap device, including steel scrap feed bin, the weighing bucket below steel scrap feed bin and
Chute below weighing bucket；Steel scrap feed bin inner wall is equipped with multiple burners, steel scrap weighed by weighing bucket after through chute
Into in LF furnace.
A kind of above-mentioned device that steel scrap is added into LF furnace, the inner wall of the steel scrap feed bin are fixed with multiple boss, often
A boss is made of upper mounting plate and lower platform, and feed bin refractory brick, burner is fixedly mounted in the bottom surface of upper mounting plate and the top surface of lower platform
It is mounted between upper and lower feed bin refractory brick.
A kind of above-mentioned device that steel scrap is added into LF furnace, the weighing bucket is fixed on weighing sensor, by claiming
It retransmits sensor and undertakes its weight；On the basis of weighing sensor is fixed on.
A kind of above-mentioned device that steel scrap is added into LF furnace, the steel scrap feed bin and the installation of weighing bucket lower end discharge port
There is vibration-type dispenser, on the basis of shocking feeder is individually fixed on.
The method of steel scrap is added into LF furnace using the utility model are as follows: useless using overhead traveling crane grab bucket crawl with production gap
Steel scrap feed bin is filled it up with, lights burner by steel, preheats to the steel scrap in steel scrap feed bin；Buggy ladle enters LF processing position later,
To molten steel carry out thermometric, when measurement molten steel temperature >=1560 DEG C, and in LF furnace top of the liquid level apart from furnace inner sidewall refractory brick away from
When from >=300mm, the vibration-type dispenser of mouth under steel scrap feed bin is opened, the steel scrap after preheating is added to title by steel scrap amount feed bin
In measuring bin, the vibration-type dispenser of mouth under weighing bucket is opened after being weighed by weighing sensor to steel scrap, steel scrap passes through
Chute is added in LF furnace, is normally refined later.
The utility model boss can protect burner to fall damage from steel scrap, and the inside that can protrude into steel scrap feed bin is improved
Heating uniformity.
The utility model has the following beneficial effects:
Steel scrap can be easily added into LF furnace, and steel scrap adds according to steel-making actual production situation using the utility model
It is controllable in real time to enter amount, to realize that full process scrap ratio is made steel in raising, reduces the purpose of iron loss.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the top view of steel scrap feed bin；
Fig. 3 is the enlarged drawing at boss position；
Fig. 4 is the fixation schematic diagram of weighing sensor；
Fig. 5 is the fixation schematic diagram of vibration-type dispenser；
It is marked in figure as follows: steel scrap feed bin 1, weighing bucket 2, chute 3, burner 4, LF furnace 5, vibration-type dispenser 6, electrode
7, refractory brick 8, weighing sensor 9, boss 10, feed bin refractory brick 11, basic 12, buggy ladle 13, upper mounting plate 101, lower platform
102。
Specific embodiment
Fig. 1 shows, a kind of device that steel scrap is added into LF furnace of the utility model, including steel scrap feed bin 1, is located at steel scrap
The weighing bucket 2 and the chute below weighing bucket 2 of 1 lower section of storehouse；
Fig. 1, Fig. 2 show that steel scrap feed bin 1 is the shape of falling tetragonous cone table structure, and the lower end discharge port of steel scrap feed bin 1 is equipped with shake
Dynamic formula dispenser 6, when needing that steel scrap is added, openable vibration-type dispenser 6 makes steel scrap be slipped to weighing under shock effect
In hopper 2；
Fig. 1 and Fig. 3 show that symmetric design has 8 boss 10, each inner sidewall design in 1 internal side wall of steel scrap feed bin
Upper and lower 2 boss 10；Each boss 10 is made of upper and lower 2 platforms, the bottom surface of upper mounting plate 101 and the top surface of lower platform 102
Feed bin refractory brick 11 is fixedly mounted, burner 4 is mounted between upper and lower 2 layer stock bin refractory brick 11；Boss 10 can protect burner 4
Damage is fallen from steel scrap, and heating uniformity is improved in the inside that can protrude into steel scrap feed bin 1；
Fig. 1 and Fig. 4 show that weighing bucket 2 is fixed on weighing sensor 9, undertake its weight by weighing sensor 9；Claim
It retransmits sensor 9 to be fixed on basis 12, the title of symmetrical 2 inside steel scrap of measuring bin is completed by weighing sensor 9 and its control system
Weight；Vibration-type dispenser 6 is installed in 2 lower end exit of weighing bucket, and openable vibration-type dispenser 6, makes to give up after the completion of weighing
Steel is slipped in LF furnace 5 under shock effect via chute 3；
Fig. 5 shows that the vibration-type dispenser 6 of the outlet of steel scrap feed bin 1 and the outlet of weighing bucket 2 is individually fixed on basis 12
On.
Fig. 1 is shown, adds the method for steel scrap into LF furnace using the utility model are as follows: is grabbed bucket with production gap using overhead traveling crane
Grab steel scrap, steel scrap feed bin 1 is filled it up with, the burner 4 using blast furnace gas as fuel is lighted, to the steel scrap in steel scrap feed bin 1 into
Row preheating, preheating temperature are 200-400 DEG C；Buggy ladle 13 enters LF processing position later, carries out thermometric to molten steel, when measurement molten steel
Temperature >=1560 DEG C, and in LF furnace when top distance >=300mm of the liquid level apart from furnace inner sidewall refractory brick 8, open steel scrap feed bin 1
Steel scrap after preheating is added in weighing bucket 2, by weighing sensor by the vibration-type dispenser 6 of lower mouth by steel scrap amount feed bin 1
9 pairs of steel scraps open the vibration-type dispenser 6 of the lower mouth of weighing bucket 2 after weighing, steel scrap is added in LF furnace 5 by chute 3, it
After normally refined.
Claims (4)
1. a kind of device for adding steel scrap into LF furnace, it is characterised in that: it includes steel scrap feed bin (1), is located at steel scrap feed bin (1)
The weighing bucket (2) of lower section and the chute (3) being located at below weighing bucket (2)；Steel scrap feed bin (1) inner wall is equipped with multiple burners
(4), steel scrap after weighing bucket (2) weighing through chute (3) by entering in LF furnace (5).
2. a kind of device for adding steel scrap into LF furnace as described in claim 1, it is characterised in that: the steel scrap feed bin (1)
Inner wall be fixed with multiple boss (10), each boss (10) is made of upper mounting plate (101) and lower platform (102), upper mounting plate
(101) feed bin refractory brick (11) are fixedly mounted in the top surface of bottom surface and lower platform (102), and it is resistance to that burner (4) is mounted on upper and lower feed bin
Between firebrick (11).
3. a kind of device for adding steel scrap into LF furnace as described in claim 1, it is characterised in that: the weighing bucket (2)
It is fixed on weighing sensor (9), its weight is undertaken by weighing sensor (9)；Weighing sensor (9) is fixed on basic (12)
On.
4. a kind of device for adding steel scrap into LF furnace as described in claim 1, it is characterised in that: the steel scrap feed bin (1)
It is equipped with vibration-type dispenser (6) with weighing bucket (2) lower end discharge port, shocking feeder (6) is individually fixed on basic (12)
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821032545.0U CN208472144U (en) | 2018-07-02 | 2018-07-02 | A kind of device adding steel scrap into LF furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821032545.0U CN208472144U (en) | 2018-07-02 | 2018-07-02 | A kind of device adding steel scrap into LF furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208472144U true CN208472144U (en) | 2019-02-05 |
Family
ID=65212589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821032545.0U Active CN208472144U (en) | 2018-07-02 | 2018-07-02 | A kind of device adding steel scrap into LF furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208472144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108660287A (en) * | 2018-07-02 | 2018-10-16 | 邯郸钢铁集团有限责任公司 | A kind of LF stoves steel scrap adding set and adding method |
-
2018
- 2018-07-02 CN CN201821032545.0U patent/CN208472144U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108660287A (en) * | 2018-07-02 | 2018-10-16 | 邯郸钢铁集团有限责任公司 | A kind of LF stoves steel scrap adding set and adding method |
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