CN108085462A - A kind of RH wire feeders conduit and preparation method thereof - Google Patents
A kind of RH wire feeders conduit and preparation method thereof Download PDFInfo
- Publication number
- CN108085462A CN108085462A CN201711222728.9A CN201711222728A CN108085462A CN 108085462 A CN108085462 A CN 108085462A CN 201711222728 A CN201711222728 A CN 201711222728A CN 108085462 A CN108085462 A CN 108085462A
- Authority
- CN
- China
- Prior art keywords
- inner catheter
- catheter
- copperhead
- conduit
- wire feeders
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of RH wire feeders conduits, being related to field of metallurgical equipment includes inner catheter, outer catheter is enclosed with outside inner catheter, inner catheter is made of potassium steel, outer catheter is poured into a mould using magnesia refractories, inner catheter is fixedly arranged at the front end with the internal-and external diameter all same of copperhead, copperhead and inner catheter, and the nozzle of the both ends nozzle of outer catheter respectively with inner catheter and copperhead flushes.The conduit has reached quick, has stablized and feed silk, it is ensured that the purpose of matallurgical products quality.
Description
Technical field
The present invention relates to field of metallurgical equipment, more particularly to a kind of RH wire feeders conduit and preparation method thereof.
Background technology
Field of metallurgy, the effect of RH wire feeders conduit are to feed the silk thread on ground to silk speed in certain by wire feeder conduit
Silk thread is smoothly fed inside molten steel under degree, plays the role of molten steel alloying and removal Impurities of Molten Steel.Traditional RH wire feeders are led
It manages as potassium steel pipe, high temperature deformation is generated under the action of molten steel high temperature during use, during conduit use, to prevent out
Mouth steel bonding and fusing, it is necessary to be higher by more than top of the slag 50mm.After RH application of vacuum, refining slag face easily cures crust, causes
RH silk threads cannot be smoothly fed inside molten steel, are influenced RH process line feeding effects, are influenced steel quality.
By the study found that RH wire feeders conduit when being subject to the high temperature heat radiation of 1500 DEG C or more molten steel, it is often a certain
Position centralized head load, is damaged so as to cause deformation of guide tube, situations such as card line, line feeding position is deviateed often occurs, line feeding is caused to fail
And line feeding it is ineffective situations such as, therefore, how to solve that RH is stable, quick line feeding, it is ensured that product quality is to be badly in need of solve one
A technical problem.
The content of the invention
The present invention is for above-mentioned technical problem, the shortcomings that overcoming the prior art, a kind of RH wire feeders conduit is provided, to reach
Quickly, stablize and feed silk, it is ensured that the purpose of matallurgical products quality.
In order to solve the above technical problems, the present invention provides a kind of RH wire feeders conduit, including inner catheter, outside inner catheter
Outer catheter is enclosed with, inner catheter is made of potassium steel, and outer catheter is poured into a mould using magnesia refractories, and inner catheter front end is consolidated
Surely have an internal-and external diameter all same of copperhead, copperhead and inner catheter, the both ends nozzle of outer catheter respectively with inner catheter and the nozzle of copperhead
It flushes.
Technique effect：Wire feeder inner catheter of the present invention uses potassium steel endoplasm, it is ensured that the intensity of inner catheter;Inner catheter front end
Using copperhead, easily cleared up after mainly preventing steel bonding and steel bonding；Outside is poured into a mould using magnesia refractories, refractory material outside
The local heating for effectively preventing inner catheter is uneven, it is ensured that the service life of inner catheter improves the quality of RH line feedings.
The technical solution that further limits of the present invention is：
Further, the internal diameter of inner catheter is 40-52mm, and the wall thickness of inner catheter is 25mm, and the outer diameter of outer catheter is inner catheter
Twice of outer diameter.
Preceding described a kind of RH wire feeders conduit and preparation method thereof, the length of the junction of copperhead and inner catheter is
20mm, the total length of copperhead is 80mm.
Another object of the present invention is to provide for a kind of production method of RH wire feeders conduit described in said program,
Comprise the following steps：
S1, magnesia refractories is uniformly mixed, ensures Linear change rate below 0.5%；
S2, using potassium steel as inner catheter, weld anchoring piece by 10mm spacing outside it, and on the anchoring piece welded uniformly
Smear cement；
S3, the magnesia refractories castable mixed up is put into mixer, adds in water, stir 10-15min, ensure castable
There is preferable mobility；Inner catheter is put into casting mold, then is poured into a mould with the castable being stirred, vibrates 5-10min；
Take care of health 24-48h after S4, cast, is demoulded after taking care of health；It takes care of health naturally in natural environment 3 days after the demoulding
More than；
S5, toasted in shuttle kiln, rise to 110 DEG C by room temperature, toasted for 24 hours under 110 DEG C of environment；It is warming up to by 110 DEG C
550 DEG C, 10h is toasted under 550 DEG C of environment；900 DEG C are warming up to by 550 DEG C, 10h is toasted under 900 DEG C of environment；Baking terminates
Afterwards, it is cooled to room temperature in natural environment and can be used.
Preceding described a kind of RH wire feeders conduit and preparation method thereof, in step S3, the injection rate of water is magnesia fireproof material
Expect the 4%-8% of quality.
Preceding described a kind of RH wire feeders conduit and preparation method thereof, in step 5, three phases heating rate is at 10 DEG C
Below.
The beneficial effects of the invention are as follows：
（1）The present invention successfully solves after RH application of vacuum the problem of top of the slag crusts, and silk thread cannot smoothly feed molten steel and leads
Pipe be easily deformed in the event of high temperatures, steel bonding, short service life the problem of；
（2）Conduit of the present invention can be dropped to conduit in the top of the slag or slag by elevating mechanism, be improved upwards after smoothly feeding silk thread
20-30mm, it is ensured that silk thread is fast and efficiently fed, and improves the quality of line feeding, is improved the quality of molten steel, is used the longevity
Life is significantly promoted；
（3）Inner catheter internal orifice diameter 40-52mm of the present invention, facilitates silk thread in internal diameter high-speed cruising；Internal diameter top length direction
10mm uses copperhead, molten steel, the adhesion of slag is avoided, beneficial to cleaning；Refractory material outside entirety baking molding, it is ensured that equipment is more
It is firm.
Description of the drawings
Fig. 1 is the diagrammatic cross-section of the present embodiment；
Fig. 2 is the copperhead schematic diagram of the present embodiment；
Wherein：1st, inner catheter；2nd, outer catheter；3rd, copperhead.
Specific embodiment
A kind of RH wire feeders conduit provided in this embodiment, structure as shown in Figs. 1-2, are enclosed with outer lead outside inner catheter 1
Pipe 2, inner catheter 1 are made of potassium steel, and outer catheter 2 is poured into a mould using magnesia refractories.Inner catheter 1 is fixedly arranged at the front end with copper
First 3, the internal-and external diameter all same of copperhead 3 and inner catheter 1, the both ends nozzle of outer catheter 2 respectively with inner catheter 1 and the nozzle of copperhead 3
It flushes.The internal diameter of inner catheter 1 is 40-52mm, wall thickness 25mm, and the outer diameter of outer catheter 2 is twice of 1 outer diameter of inner catheter.Copper
First 3 and the length of the junction of inner catheter 1 are 20mm, and the total length of copperhead 3 is 80mm.
The production method of above-mentioned conduit is as follows：
S1, magnesia refractories is uniformly mixed, ensures Linear change rate below 0.5%；
S2, using potassium steel as inner catheter 1, weld anchoring piece by 10mm spacing outside it, and on the anchoring piece welded
Even smearing cement；
S3, the magnesia refractories castable mixed up is put into mixer, adds in water, the injection rate of water is magnesia refractories
The 4%-8% of quality, different according to season, raw material water absorption rate is different, and appropriate plus-minus, stirs 10-15min in operation, protects
Card castable has preferable mobility；Inner catheter 1 is put into casting mold, then is poured into a mould with the castable being stirred, is shaken
Dynamic 5-10min；
Take care of health 24-48h after S4, cast, is demoulded after taking care of health；It takes care of health naturally in natural environment 3 days after the demoulding
More than；
S5, toasted in shuttle kiln, rise to 110 DEG C by room temperature, toasted for 24 hours under 110 DEG C of environment；It is warming up to by 110 DEG C
550 DEG C, 10h is toasted under 550 DEG C of environment；900 DEG C are warming up to by 550 DEG C, 10h is toasted under 900 DEG C of environment；Baking terminates
Afterwards, it is cooled to room temperature in natural environment and can be used；Three phases heating rate is below 10 DEG C.
The present invention proposes a kind of RH wire feeders and preparation method thereof, has reached raising and has fed silk effect, stablizes matallurgical products matter
The purpose of amount.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape
Into technical solution, all fall within the present invention claims protection domain.
Claims (6)
1. a kind of RH wire feeders conduit, including inner catheter（1）, it is characterised in that：The inner catheter（1）Outside is enclosed with outer catheter
（2）, the inner catheter（1）It is made of potassium steel, the outer catheter（2）It is poured into a mould using magnesia refractories, it is described interior
Conduit（1）It is fixedly arranged at the front end with copperhead（3）, the copperhead（3）With the inner catheter（1）Internal-and external diameter all same, the outer catheter
（2）Both ends nozzle respectively with the inner catheter（1）And copperhead（3）Nozzle flush.
2. a kind of RH wire feeders conduit according to claim 1, it is characterised in that：The inner catheter（1）Internal diameter be 40-
52mm, the inner catheter（1）Wall thickness for 25mm, and the outer catheter（2）Outer diameter be the inner catheter（1）The two of outer diameter
Times.
3. a kind of RH wire feeders conduit according to claim 2, it is characterised in that：The copperhead（3）With the inner catheter
（1）Junction length for 20mm, the copperhead（3）Total length be 80mm.
4. for a kind of production method of RH wire feeders conduit as described in claim 1-3 any one, which is characterized in that bag
Include following steps：
S1, magnesia refractories is uniformly mixed, ensures Linear change rate below 0.5%；
S2, using potassium steel as inner catheter（1）, anchoring piece is welded by 10mm spacing outside it, and on the anchoring piece welded
Uniformly smear cement；
S3, the magnesia refractories castable mixed up is put into mixer, adds in water, stir 10-15min, ensure castable
There is preferable mobility；The inner catheter（1）It is put into casting mold, then is poured into a mould with the castable being stirred, vibrated
5-10min；
Take care of health 24-48h after S4, cast, is demoulded after taking care of health；It takes care of health naturally in natural environment 3 days after the demoulding
More than；
S5, toasted in shuttle kiln, rise to 110 DEG C by room temperature, toasted for 24 hours under 110 DEG C of environment；It is warming up to by 110 DEG C
550 DEG C, 10h is toasted under 550 DEG C of environment；900 DEG C are warming up to by 550 DEG C, 10h is toasted under 900 DEG C of environment；Baking terminates
Afterwards, it is cooled to room temperature in natural environment and can be used.
5. a kind of RH wire feeders conduit according to claim 1 and preparation method thereof, it is characterised in that：The step S3
In, the injection rate of water is the 4%-8% of magnesia refractories quality.
6. a kind of RH wire feeders conduit according to claim 1 and preparation method thereof, it is characterised in that：In the step 5,
Three phases heating rate is below 10 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222728.9A CN108085462B (en) | 2017-11-29 | 2017-11-29 | RH wire feeder guide pipe and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222728.9A CN108085462B (en) | 2017-11-29 | 2017-11-29 | RH wire feeder guide pipe and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108085462A true CN108085462A (en) | 2018-05-29 |
| CN108085462B CN108085462B (en) | 2019-12-10 |
Family
ID=62173288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711222728.9A Active CN108085462B (en) | 2017-11-29 | 2017-11-29 | RH wire feeder guide pipe and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108085462B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111394540A (en) * | 2020-04-13 | 2020-07-10 | 南京钢铁股份有限公司 | CAS furnace wire feeding machine and manufacturing method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201762371U (en) * | 2010-07-30 | 2011-03-16 | 武汉钢铁(集团)公司 | Alloy-wire conduit of wire feeder |
-
2017
- 2017-11-29 CN CN201711222728.9A patent/CN108085462B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201762371U (en) * | 2010-07-30 | 2011-03-16 | 武汉钢铁(集团)公司 | Alloy-wire conduit of wire feeder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111394540A (en) * | 2020-04-13 | 2020-07-10 | 南京钢铁股份有限公司 | CAS furnace wire feeding machine and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108085462B (en) | 2019-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105525169B (en) | A kind of preparation method of Aluminium Alloy Extruded Bar | |
| CN105234365B (en) | The casting method of Properties of Heavy Rail Steel strand | |
| CN112605351B (en) | Method for improving internal quality of cast ingot and heating and heat-insulating box | |
| CN101519797B (en) | Method for pulling silicon core by crystal crushed material and device for applying same | |
| CN108085462A (en) | A kind of RH wire feeders conduit and preparation method thereof | |
| CN102166632B (en) | Casting method of large-scale steel ingot | |
| CN101185997A (en) | Method for manufacturing aluminum alloy seamless flux-cored wire | |
| CN101199991A (en) | Gravitational vacuum suction casting forming method | |
| CN108296463A (en) | The method for controlling the continuous casting production degree of superheat | |
| JP2010247202A (en) | Device for smelting metal ingot and method for smelting the metal ingot using the same | |
| CN103820659B (en) | A kind of preparation method of copper chromium master alloy and the preparation method of Cu-Cr-Zr alloy | |
| CN111363939A (en) | Preparation process of aluminum-strontium intermediate alloy wire rod | |
| CN203751324U (en) | Steel ladle with improved ladle port structure | |
| CN104357673B (en) | Metal electric slag refusion and smelting method | |
| CN105108079A (en) | Horizontal continuous casting copper belt production process | |
| CN207619451U (en) | A kind of RH wire feeders conduit | |
| CN205526168U (en) | Metal melting is with swift current steel bay | |
| CN101235429A (en) | Steel core aluminum and manufacturing method thereof | |
| CN205966826U (en) | Aluminum -magnesium alloy wire material multihole extrusion mould | |
| CN106086306A (en) | A kind of high magnesium core-spun yarn and preparation method thereof | |
| CN100381596C (en) | Method for producing rare-earth metal screw-rod | |
| CN1022737C (en) | Method for making mixing rare-earth metal thread bar | |
| CN207344795U (en) | Fused cast refractories incubator | |
| CN106636697B (en) | Al-sr alloy production technology | |
| CN107855493A (en) | A kind of foundry furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |