CN115369269A - Efficient zinc alloy smelting slagging agent and use method thereof - Google Patents
Efficient zinc alloy smelting slagging agent and use method thereof Download PDFInfo
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- CN115369269A CN115369269A CN202210946841.6A CN202210946841A CN115369269A CN 115369269 A CN115369269 A CN 115369269A CN 202210946841 A CN202210946841 A CN 202210946841A CN 115369269 A CN115369269 A CN 115369269A
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- zinc alloy
- slag
- slagging
- alf
- caf
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- 229910001297 Zn alloy Inorganic materials 0.000 title claims abstract description 41
- 238000003723 Smelting Methods 0.000 title claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims description 11
- 239000002893 slag Substances 0.000 claims abstract description 60
- 239000007788 liquid Substances 0.000 claims abstract description 35
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 239000000779 smoke Substances 0.000 claims abstract description 11
- 239000011780 sodium chloride Substances 0.000 claims abstract description 10
- 238000003892 spreading Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052725 zinc Inorganic materials 0.000 abstract description 11
- 239000011701 zinc Substances 0.000 abstract description 11
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 238000000354 decomposition reaction Methods 0.000 abstract description 3
- 229910004261 CaF 2 Inorganic materials 0.000 abstract description 2
- 239000000654 additive Substances 0.000 abstract description 2
- 230000000996 additive effect Effects 0.000 abstract description 2
- 230000007062 hydrolysis Effects 0.000 abstract description 2
- 238000006460 hydrolysis reaction Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 231100000331 toxic Toxicity 0.000 abstract description 2
- 230000002588 toxic effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000002085 irritant Substances 0.000 description 2
- 231100000021 irritant Toxicity 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
- C22B9/106—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents the refining being obtained by intimately mixing the molten metal with a molten salt or slag
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a high-efficiency zinc alloy smelting slag former, which belongs to the technical field of zinc slag formers and comprises the following components in percentage by weight: caF 2 55％～75％、Na 3 AlF 6 3％～8％、KCl 3％～8％、NaCl 5％～10％、ZnCl 2 5% -20%; the invention passes through Na 3 AlF 6 And ZnCl 2 As the effective component of slagging, ensures the thorough separation of slag body and liquid during the slagging reaction, and utilizes CaF 2 KCl, naCl as additive component, caF 2 Control of Na in slag former 3 AlF 6 And ZnCl 2 Deliquescence and excessive hydrolysis, the slagging agent not containing NH 3 、Cl、CCl 4 、C 6 Cl 6 Equal toxic heavy pollution gas without traditional NHC 1 A great amount of decomposition productsWhite smoke is generated, the environment is protected, and the burning loss of metal zinc is avoided.
Description
Technical Field
The invention belongs to the technical field of zinc slag forming agents, and particularly relates to an efficient zinc alloy smelting slag forming agent and a using method thereof.
Background
The zinc slag removing agent is also called as zinc slag forming agent, and is a mixture for separating metal liquid and oxide. The slag removing and dredging device is mainly used for slag removing and slag dredging before zinc casting and during zinc alloy die casting, valuable effective metals are fully recovered, the direct yield of products is improved, the cost is reduced, and the slag rate is reduced.
The traditional slag former is NH 3 C 1 ，NH 3 C 1 Has a low melting point, begins to volatilize at 100 ℃, and decomposes into HC at 337.8 DEG C 1 And NH 3 Namely: NH (NH) 4 Cl→HCl+NH 3 Decomposition of the liberated HCl and NH 3 And the part of the zinc oxide reacts with the oxide on the surface of the zinc liquid to form scum which is easy to separate. Years of production practice proves that NHC is utilized 1 Slagging is fast, the heat productivity is large, slag liquid is easy to separate, and the quality of cast ingots is easy to ensure. It has significant disadvantages: the amount of smoke dust generated during slag forming is large, irritant gas is discharged, the environmental pollution is serious, and metal zinc mixed in the zinc slag is easily burnt.
Disclosure of Invention
The invention aims to: the high-efficiency zinc alloy smelting slagging agent and the use method thereof are provided to solve the problems of large smoke dust amount, irritant gas emission, environmental pollution and metal zinc burning loss during slagging.
On one hand, in order to achieve the purpose, the invention adopts the following technical scheme: the high-efficiency zinc alloy smelting slag former comprises the following components in percentage by weight:
as a further description of the above technical solution:
comprises the following components in percentage by weight: caF 2 60％～70％、Na 3 AlF 6 4％～7％、KCl 4％～7％、NaCl 6％～8％、ZnCl 2 10％～15％。
As a further description of the above technical solution:
comprises the following components in percentage by weight: caF 2 65％、Na 3 AlF 6 5％、KCl 7％、NaCl 8％、ZnCl 2 15％。
On the other hand, in order to achieve the above object, the present invention adopts the following method: a use method of a high-efficiency zinc alloy smelting slagging agent comprises the following steps:
1) Taking the following slag former in percentage by weight: caF 2 55％～75％、Na 3 AlF 6 3％～8％、KCl 3％～8％、NaCl 5％～10％、ZnCl 2 5％～20％；
2) Spreading a slag former on the surface of the completely molten zinc alloy liquid, and continuously stirring to ensure that the slag former fully contacts the zinc alloy liquid to carry out slag forming reaction;
3) The slag formed by slagging reaction continuously floats until the slag and liquid are thoroughly separated;
4) And fishing out the slag on the surface of the molten zinc alloy liquid.
As a further description of the above technical solution:
in the step 2), the addition amount of the slag former is 0.1 percent of the mass of the molten zinc alloy liquid.
As a further description of the above technical solution:
in the step 3), the molten zinc alloy liquid is kept at 600 ℃ for at least 20 minutes.
As a further description of the above technical solution:
in the step 3), the smoke generated by the slagging reaction is pumped out by using an exhaust fan.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
in the present invention, na is added 3 AlF 6 And ZnCl 2 As the effective component of slagging, ensures the thorough separation of slag body and liquid during the slagging reactionAnd use of CaF 2 KCl, naCl as additive component, caF 2 Control of Na in slag former 3 AlF 6 And ZnCl 2 Deliquescence and excessive hydrolysis, the slagging agent not containing NH 3 、Cl、CCl 4 、C 6 Cl 6 And the like, toxic heavy pollution gas, and does not have the traditional NHC 1 A large amount of white smoke generated by decomposition is generated, the environment is protected, and the burning loss of the metal zinc is avoided.
Drawings
FIG. 1 is a flow chart of a using method of a high-efficiency zinc alloy smelting slag former.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures. In the description of the embodiments of the present invention, it should be noted that the terms "upper", "inner", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
s01: taking the following slag former in percentage by weight: caF 2 55％、Na 3 AlF 6 3％、KCl 3％、NaCl 5％、ZnCl 2 5％；
S02: spreading a slag former on the surface of the completely molten zinc alloy liquid, wherein the addition amount of the slag former is 0.1 percent of the mass of the molten zinc alloy liquid, and continuously stirring to ensure that the slag former fully contacts the zinc alloy liquid to carry out slag-forming reaction;
s03: keeping the temperature of the molten zinc alloy liquid at 600 ℃ for at least 20 minutes, continuously floating the slag formed by slagging reaction until the slag and the liquid are completely separated, and pumping out smoke generated by slagging reaction by using an exhaust fan;
s04: and fishing out the slag on the surface of the molten zinc alloy liquid.
Example 2:
s01: taking the following slag former in percentage by weight: caF 2 75％、Na 3 AlF 6 8％、KCl 8％、NaCl 10％、ZnCl 2 20％；
S02: spreading a slag former on the surface of the completely molten zinc alloy liquid, wherein the addition amount of the slag former is 0.1 percent of the mass of the molten zinc alloy liquid, and continuously stirring to ensure that the slag former fully contacts the zinc alloy liquid to carry out slag-forming reaction;
s03: keeping the temperature of the molten zinc alloy liquid at 600 ℃ for at least 20 minutes, continuously floating up slag formed by slagging reaction until the slag is completely separated from the liquid, and pumping out smoke generated by slagging reaction by using an exhaust fan;
s04: and fishing out the slag on the surface of the molten zinc alloy liquid.
Example 3:
s01: taking the following slag former in percentage by weight: caF 2 65％、Na 3 AlF 6 5％、KCl 7％、NaCl 8％、ZnCl 2 15％；
S02: spreading a slag former on the surface of the completely molten zinc alloy liquid, wherein the addition amount of the slag former is 0.1 percent of the mass of the molten zinc alloy liquid, and continuously stirring to ensure that the slag former fully contacts the zinc alloy liquid to carry out slag-forming reaction;
s03: keeping the temperature of the molten zinc alloy liquid at 600 ℃ for at least 20 minutes, continuously floating up slag formed by slagging reaction until the slag is completely separated from the liquid, and pumping out smoke generated by slagging reaction by using an exhaust fan;
s04: and fishing out slag on the surface of the molten zinc alloy liquid.
By observing the fumes generated during examples 1, 2 and 3, only a small amount of white smoke was generated during the slagging reaction, and the white smoke had no pungent odor.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (7)
1. The high-efficiency zinc alloy smelting slagging agent is characterized by comprising the following components in parts by weight: comprises the following components in percentage by weight:
2. the high-efficiency zinc alloy smelting slagging agent according to claim 1, which is characterized by comprising the following components in percentage by weight: caF 2 60％～70％、Na 3 AlF 6 4％～7％、KCl 4％～7％、NaCl 6％～8％、ZnCl 2 10％～15％。
3. The high-efficiency zinc alloy smelting slagging agent according to claim 1, which is characterized by comprising the following components in percentage by weight: caF 2 65％、Na 3 AlF 6 5％、KCl 7％、NaCl 8％、ZnCI 2 15％。
4. The use method of the high-efficiency zinc alloy smelting slag former is characterized by comprising the following steps:
1) Taking the following slag former in percentage by weight: caF 2 55％～75％、Na 3 AlF 6 3％～8％、KCl 3％～8％、NaCl 5％～10％、ZnCl 2 5％～20％；
2) Spreading a slag former on the surface of the completely molten zinc alloy liquid, and continuously stirring to ensure that the slag former fully contacts the zinc alloy liquid to carry out slag forming reaction;
3) The slag formed by slagging reaction continuously floats until the slag and liquid are thoroughly separated;
4) And fishing out slag on the surface of the molten zinc alloy liquid.
5. The use method of the high-efficiency zinc alloy smelting slag former as claimed in claim 4, wherein in the step 2), the addition amount of the slag former is 0.1% of the mass of the molten zinc alloy liquid.
6. The use method of the high-efficiency zinc alloy smelting slag former as claimed in claim 4, wherein in the step 3), the molten zinc alloy liquid is kept at 600 ℃ for at least 20 minutes.
7. The use method of the high-efficiency zinc alloy smelting slagging agent according to claim 4, wherein in the step 3), an exhaust fan is used for extracting smoke generated by the slagging reaction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210946841.6A CN115369269A (en) | 2022-08-08 | 2022-08-08 | Efficient zinc alloy smelting slagging agent and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210946841.6A CN115369269A (en) | 2022-08-08 | 2022-08-08 | Efficient zinc alloy smelting slagging agent and use method thereof |
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| CN115369269A true CN115369269A (en) | 2022-11-22 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730197A (en) * | 2005-08-29 | 2006-02-08 | 株洲冶炼集团有限责任公司 | Slag-forming constituents used for zinc and zinc-base alloy fusion casting |
| CN1831161A (en) * | 2005-03-08 | 2006-09-13 | 东北轻合金有限责任公司 | Deslagging agent for high performance deforming aluminium and aluminium alloy, prepn. method and application thereof |
| CN101948959A (en) * | 2010-09-30 | 2011-01-19 | 昆明理工大学 | Slag-forming agent for fusion casting of environment-friendly zinc and zinc alloy |
| CN103602855A (en) * | 2013-11-22 | 2014-02-26 | 惠州市源宝精密五金压铸有限公司 | High-toughness high-ductility zinc alloy and processing method thereof |
| CN108517481A (en) * | 2018-04-25 | 2018-09-11 | 靖江新舟合金材料有限公司 | A kind of the zinc-aluminium magnesium alloy ingot and preparation method of titaniferous |
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2022
- 2022-08-08 CN CN202210946841.6A patent/CN115369269A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1831161A (en) * | 2005-03-08 | 2006-09-13 | 东北轻合金有限责任公司 | Deslagging agent for high performance deforming aluminium and aluminium alloy, prepn. method and application thereof |
| CN1730197A (en) * | 2005-08-29 | 2006-02-08 | 株洲冶炼集团有限责任公司 | Slag-forming constituents used for zinc and zinc-base alloy fusion casting |
| CN101948959A (en) * | 2010-09-30 | 2011-01-19 | 昆明理工大学 | Slag-forming agent for fusion casting of environment-friendly zinc and zinc alloy |
| CN103602855A (en) * | 2013-11-22 | 2014-02-26 | 惠州市源宝精密五金压铸有限公司 | High-toughness high-ductility zinc alloy and processing method thereof |
| CN108517481A (en) * | 2018-04-25 | 2018-09-11 | 靖江新舟合金材料有限公司 | A kind of the zinc-aluminium magnesium alloy ingot and preparation method of titaniferous |
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Application publication date: 20221122 |