CN2568333Y - Alloy adding device for copper alloy horizontal continuous casting dynamic alloying - Google Patents
Alloy adding device for copper alloy horizontal continuous casting dynamic alloying Download PDFInfo
- Publication number
- CN2568333Y CN2568333Y CN 02274253 CN02274253U CN2568333Y CN 2568333 Y CN2568333 Y CN 2568333Y CN 02274253 CN02274253 CN 02274253 CN 02274253 U CN02274253 U CN 02274253U CN 2568333 Y CN2568333 Y CN 2568333Y
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- CN
- China
- Prior art keywords
- alloy
- alloying
- copper
- continuous casting
- crystallizer
- 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.)
- Expired - Lifetime
Links
- 238000005275 alloying Methods 0.000 title claims abstract description 25
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 23
- 239000000956 alloy Substances 0.000 title claims abstract description 23
- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 15
- 238000009749 continuous casting Methods 0.000 title claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000007769 metal material Substances 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005266 casting Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 7
- 239000011701 zinc Substances 0.000 description 7
- 238000003723 Smelting Methods 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000005204 segregation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003870 refractory metal Substances 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical group [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
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- Continuous Casting (AREA)
Abstract
The utility model discloses an alloy adding device for copper alloy horizontal continuous casting dynamic alloying. It has a pouring gate on the crystallizer, in which the graphite core is mounted, an addition hole is added on the crystallizer, a guide tube is mounted on the addition hole, and the metal material covered by copper tube or prepared into wire material is placed in the guide tube. The utility model can improve the metallurgical quality of the product, the production efficiency and reduce the cost.
Description
Technical field
The utility model relates to the copper-alloy pipe-material technology of preparing, and specifically a kind of alloy adding apparatus of horizontal continuous casting of copper alloy dynamic alloying is particularly suitable for the production of continuously casting copper alloy rod pipe.
Background technology
Copper-alloy pipe-material is because of having good resistance to corrosion and higher intensity, thus be widely used in generating with condenser, boats and ships condenser, feed-water heater, distiller, oil cooler and water treatment facilities with industry such as heat exchangers.The continuous casting pipe is to produce the most frequently used and most important blank of tubing, and its quality and technical merit are directly connected to the quality of copper-alloy pipe-material.For continuously casting copper alloy Guan Eryan, the alloying of casting process is one of problem of most critical, the subject matter of casting process copper alloying is alloy addition method, guarantees that it is the technical problem underlying of being badly in need of solution with unified recovery rate that alloying has homogeneity at continuous flow procedure.
The main alloy element of copper alloy is zinc, tin, nickel, aluminium etc., and the density and the fusing point of they and copper differ bigger.In addition, the fusing point of zinc is very low to be easy to evaporation at fusion process, and the fusing point of aluminium is low and oxidation very easily takes place.The alloy method of the more existing addings of continuously casting copper alloy at present, mainly be in smelting furnace, directly to add or add at tundish, the alloy that adds has bulk, thread and powder simple metal or intermediate alloy etc., wherein the advantage of addition method is easy easy operating in smelting furnace, is applicable to various alloying elements; Its shortcoming is that alloying component is difficult to guarantee homogeneity, and is easy to produce spot segregation, is not suitable for the continuous casting production of the strict alloy of composition.The advantage of addition method is that the spot segregation of alloying component is very little in tundish, owing to constantly there is new melt to flow in the tundish, makes to be difficult for forming the composition inequality that causes because of difference in specific gravity in the bag; Its shortcoming is for the element that is easy to evaporate with oxidation, and cannot say for sure to demonstrate,prove for the composition homogeneity of casting process.
The utility model content
The purpose of this utility model provides a kind ofly can avoid that alloying element evaporates, the alloy adding apparatus of the horizontal continuous casting of copper alloy dynamic alloying of oxidation and segregation.
To achieve these goals, the technical solution of the utility model is as follows:
Have sprue gate, inside and the crystallizer of graphite core is housed is installed in the tundish, add hand-hole on it, a guiding tube is installed in and adds on the hand-hole, is loaded in the guiding tube with copper pipe metal material that coat or that be prepared into a material.
The utlity model has following beneficial effect:
1. when adopting the utility model to carry out the casting process alloying, by changing the adding mode of alloying element, realized the dynamic control of alloying component, improved the metallurgical quality of continuous casting billet, the absorptivity of element almost reaches 100%.
2. adopt the utility model to carry out the element that the casting process alloying can add very easily oxidation.
3. compared with prior art, adopt the utility model production to be easy to implement, easily be automated control, can reduce the cost of raw material and melting technique difficulty, can guarantee the homogeneity of continuous casting material composition.
4. the utility model is specially adapted to horizontal casting dynamic alloying production of copper compo pipe rod base, also can and add the alloy method at tundish with direct adding in smelting furnace and cooperate, and the loss of alloy element by way of compensation is to guarantee homogeneity of ingredients.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the A-A cut-away view of Fig. 1.
Fig. 3 is the structure cut-away view of an embodiment of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
Shown in Fig. 1～3, the utlity model has sprue gate 4, inside is equipped with the crystallizer 2 of graphite core 3 and is installed in 6 li of tundish, add hand-hole on it, a guiding tube 1 is installed in and adds on the hand-hole, is loaded on 1 li of guiding tube with copper pipe metal material 5 that coat or that be prepared into a material.
In brass H62 continuous casting, present embodiment adds the Zn amount in tundish be 38%, and adopting this device to add the Zn amount is 8%, can make the Zn that loses in the casting process obtain continuous supplementation, has guaranteed that the composition of continuously cast billet for pipe-making is same; The Zn that adds is 4 materials of φ, and continuously cast billet for pipe-making is φ 80 * 20, casting speed 340mm/min, every segment length 13m; 40 liters/min of crystallizer cooling water flow, inflow temperature≤30 ℃, leaving water temperature≤55 ℃, the wire feed rate of casting process is 28mm/s, the pipe composition homogeneity that obtains is fine, and Zn content difference≤± 0.5% of per 50 mitron bases is under the traction of crystallizer 2 external device (ED)s, make pipe, be implemented in the continuous alloying of pipe casting process.
The utility model principle is to realize dynamically adding continuously of alloying element, to guarantee the composition homogeneity of casting process.Because alloying element enters melt near the sprue gate of crystallizer, fully mixed and very near solidification zone, the segregation that the element difference in specific gravity is caused has little time to take place with potting syrup stream; Also, eliminated the evaporation and the oxidation of element, adopted prefabricated intermediate alloy silk material method for the refractory metal element in addition, can improve fusing speed owing to be that closed system all is full of melt in the crystallizer.
The utility model is by the adding mode of change alloying element, has realized the dynamic control of alloying component, and the metallurgical quality that improves continuous casting billet also reduces cost.
The casting process of the utility model copper alloy is:
Copper is fused into melt in smelting furnace, flow into tundish 6, in tundish 6, obtain equalizing temperature, copper liquid flows into by the sprue gate 4 of crystallizer 2, on crystallizer 2, be provided with and add the guiding tube 1 that alloying element is used, metal material 5 is prefabricated into to be coiled, drive by the running roller more than two pairs, alloy silk 5 is sent in the crystallizer 2, send the speed of alloy silk 5 to control by running roller, specifically according to the alloy amount that adds and alloy filament diameter and casting speed decision (as present embodiment brass H62 continuous casting, pipe φ 80 * 20, casting speed 100mm/min, every segment length 13m; 40 liters/min of crystallizer cooling water flow, inflow temperature≤30 ℃, leaving water temperature≤55 ℃, the wire feed rate of casting process is 28mm/s), these technological parameters are adjustable.Under the traction of crystallizer 2 external device (ED)s, make pipe, be implemented in the continuous alloying of pipe casting process.
It is described when the utility model device adds continuously, can or add the alloy method at tundish with direct adding in smelting furnace matches, promptly be higher than, equal 10% element for alloy content, can be engaged in adding method in smelting furnace or the tundish, the loss of alloy element by way of compensation is to guarantee homogeneity of ingredients.
Metal material described in the utility model 5 can directly be sent in the crystallizer during for thread metal material; Coat with copper pipe during for the granulated metal material; Coat with copper pipe during for the granulated metal material, refer in particular to the reactive metal that is easy to oxidation; For refractory metal should with the prefabricated intermediate alloy of copper melting, make a material then, to improve fusing speed; Described refractory metal can be pulverized intermediate alloy under the inconvenient situation of preparation silk material, coats with copper pipe.
Claims (1)
1. the alloy adding apparatus of a horizontal continuous casting of copper alloy dynamic alloying, be installed on the crystallizer (2) of tundish (6) lining and have sprue gate (4), graphite core (3) is equipped with in its inside, it is characterized in that: on crystallizer (2), add hand-hole, one guiding tube (1) is installed in and adds on the hand-hole, is loaded on guiding tube (1) lining with copper pipe metal material (5) that coat or that be prepared into a material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02274253 CN2568333Y (en) | 2002-07-19 | 2002-07-19 | Alloy adding device for copper alloy horizontal continuous casting dynamic alloying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02274253 CN2568333Y (en) | 2002-07-19 | 2002-07-19 | Alloy adding device for copper alloy horizontal continuous casting dynamic alloying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2568333Y true CN2568333Y (en) | 2003-08-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02274253 Expired - Lifetime CN2568333Y (en) | 2002-07-19 | 2002-07-19 | Alloy adding device for copper alloy horizontal continuous casting dynamic alloying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2568333Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1319677C (en) * | 2003-05-09 | 2007-06-06 | 宝钢集团上海第一钢铁有限公司 | Method and apparatus of adding alloy into liquid metal |
| CN113510468A (en) * | 2021-04-25 | 2021-10-19 | 安徽嘉久轴承制造有限公司 | Automatic graphite core rod inserting equipment for copper pipe machining |
-
2002
- 2002-07-19 CN CN 02274253 patent/CN2568333Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1319677C (en) * | 2003-05-09 | 2007-06-06 | 宝钢集团上海第一钢铁有限公司 | Method and apparatus of adding alloy into liquid metal |
| CN113510468A (en) * | 2021-04-25 | 2021-10-19 | 安徽嘉久轴承制造有限公司 | Automatic graphite core rod inserting equipment for copper pipe machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120719 Granted publication date: 20030827 |