CN108977609A - A kind of metal smelt desulfurizing agent and preparation method thereof - Google Patents
A kind of metal smelt desulfurizing agent and preparation method thereof Download PDFInfo
- Publication number
- CN108977609A CN108977609A CN201810884588.XA CN201810884588A CN108977609A CN 108977609 A CN108977609 A CN 108977609A CN 201810884588 A CN201810884588 A CN 201810884588A CN 108977609 A CN108977609 A CN 108977609A
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- CN
- China
- Prior art keywords
- parts
- desulfurizing agent
- sodium
- agent
- metal smelt
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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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
- C21C1/025—Agents used for dephosphorising or desulfurising
-
- 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
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
- C21C7/0645—Agents used for dephosphorising or desulfurising
Abstract
A kind of metal smelt desulfurizing agent, each component and its mass fraction are as follows: 22-25 parts of fine silica powder, 2-8 parts of synergist, 5-10 parts of sodium sulfite, 2-5 parts of antioxidant, 21-23 parts of white lime, 13-20 parts of propane diamine, 2-8 parts of antisludging agent, 3-6 parts of activator, 11-15 parts of ammonium benzoate, 13-20 parts of sodium ethylene diamine tetracetate, 18-30 parts of methyl diethanolamine, 2-4 parts of sodium benzoate.Preparation method includes the following steps: that raw material is separately added into 30-40 DEG C of water by (1), stirs evenly；(2) white lime is added, in drying, grinding after being sufficiently stirred；(3) gained solid matter is filtered.Element sulphur can be reacted away effectively, ultimately form sulphur-containing substance and uniformly focused on by gained desulfurizing agent of the invention, contained component materials, and desulfurization effect is good, significantly reduces the element sulphur amount being dispersed into atmosphere, reduce the destruction to environment.
Description
Technical field
Present invention relates particularly to a kind of metal smelt desulfurizing agents and preparation method thereof, belong to metal smelt field.
Background technique
In the smelting of the metals such as steel, need using some special desulfurizing agents, for the requirement to environmental protection, need by
Element sulphur therein avoids element sulphur from being diffused into air by chemical reaction.
But the existing usual effect of desulfurizing agent is all bad, it is satisfied to be difficult to more people for desulfurization effect in use.
Summary of the invention
In view of the above-mentioned problems of the prior art, the object of the present invention is to provide a kind of metal smelt desulfurizing agent and its
Preparation method reacts away most of element sulphur, does not diffuse into prepare a kind of desulfurizing agent that desulfurization effect is good
Environmental pollution is caused in atmosphere.
To achieve the above object, the technical solution adopted by the present invention is that:
A kind of metal smelt desulfurizing agent, each component and its mass fraction are as follows: 22-25 parts of fine silica powder, synergy
2-8 parts of agent, 5-10 parts of sodium sulfite, 2-5 parts of antioxidant, 21-23 parts of white lime, 13-20 parts of propane diamine, 2-8 parts of antisludging agent,
3-6 parts of activator, 11-15 parts of ammonium benzoate, 13-20 parts of sodium ethylene diamine tetracetate, 18-30 parts of methyl diethanolamine, benzoic acid
2-4 parts of sodium.
Preferably, the synergist is calcium formate.
Preferably, the PH of the desulfurizing agent is 6-7.
Preferably, the antisludging agent is aminotrimethylene phosphate.
A kind of preparation method of metal smelt desulfurizing agent, includes the following steps:
(1) by the fine silica powder, synergist, sodium sulfite, antioxidant, propane diamine, antisludging agent, activator,
Ammonium benzoate, sodium ethylene diamine tetracetate, methyl diethanolamine, sodium benzoate are separately added into 30-40 DEG C of water, are stirred evenly；
(2) white lime is added, in drying, grinding after being sufficiently stirred；
(3) gained solid matter is filtered.
Preferably, the drying temperature in step (2) is 70-80 DEG C.
Preferably, which is characterized in that the mixing speed in step (2) is 100r/min.
Gained desulfurizing agent of the invention, contained component materials can effectively react away element sulphur, ultimately form sulfur-bearing object
Matter is uniformly focused on, and desulfurization effect is good, significantly reduces the element sulphur amount being dispersed into atmosphere, reduces the destruction to environment.
Specific embodiment
Invention is further described in detail combined with specific embodiments below:
Embodiment 1
A kind of metal smelt desulfurizing agent, each component and its mass fraction are as follows: 22 parts of fine silica powder, synergist 2
Part, 5 parts of sodium sulfite, 2 parts of antioxidant, 21 parts of white lime, 13 parts of propane diamine, 2 parts of antisludging agent, 3 parts of activator, ammonium benzoate
11 parts, 13 parts of sodium ethylene diamine tetracetate, 18 parts of methyl diethanolamine, 2 parts of sodium benzoate.
Preferably, the synergist is calcium formate.
Preferably, the PH of the desulfurizing agent is 6-7.
Preferably, the antisludging agent is aminotrimethylene phosphate.
A kind of preparation method of metal smelt desulfurizing agent, includes the following steps:
(1) by the fine silica powder, synergist, sodium sulfite, antioxidant, propane diamine, antisludging agent, activator,
Ammonium benzoate, sodium ethylene diamine tetracetate, methyl diethanolamine, sodium benzoate are separately added into 30 DEG C of water, are stirred evenly；
(2) white lime is added, in drying, grinding after being sufficiently stirred；
(3) gained solid matter is filtered.
Preferably, the drying temperature in step (2) is 70 DEG C.
Preferably, which is characterized in that the mixing speed in step (2) is 100r/min.
Embodiment 2
A kind of metal smelt desulfurizing agent, each component and its mass fraction are as follows: 23 parts of fine silica powder, synergist 5
Part, 8 parts of sodium sulfite, 3 parts of antioxidant, 22 parts of white lime, 16 parts of propane diamine, 5 parts of antisludging agent, 5 parts of activator, ammonium benzoate
13 parts, 17 parts of sodium ethylene diamine tetracetate, 23 parts of methyl diethanolamine, 3 parts of sodium benzoate.
Preferably, the synergist is calcium formate.
Preferably, the PH of the desulfurizing agent is 6-7.
Preferably, the antisludging agent is aminotrimethylene phosphate.
A kind of preparation method of metal smelt desulfurizing agent, includes the following steps:
(1) by the fine silica powder, synergist, sodium sulfite, antioxidant, propane diamine, antisludging agent, activator,
Ammonium benzoate, sodium ethylene diamine tetracetate, methyl diethanolamine, sodium benzoate are separately added into 35 DEG C of water, are stirred evenly；
(2) white lime is added, in drying, grinding after being sufficiently stirred；
(3) gained solid matter is filtered.
Preferably, the drying temperature in step (2) is 75 DEG C.
Preferably, which is characterized in that the mixing speed in step (2) is 100r/min.
Embodiment 3
A kind of metal smelt desulfurizing agent, each component and its mass fraction are as follows: 25 parts of fine silica powder, synergist 8
Part, 10 parts of sodium sulfite, 5 parts of antioxidant, 23 parts of white lime, 20 parts of propane diamine, 8 parts of antisludging agent, 6 parts of activator, benzoic acid
15 parts of ammonium, 20 parts of sodium ethylene diamine tetracetate, 30 parts of methyl diethanolamine, 4 parts of sodium benzoate.
Preferably, the synergist is calcium formate.
Preferably, the PH of the desulfurizing agent is 6-7.
Preferably, the antisludging agent is aminotrimethylene phosphate.
A kind of preparation method of metal smelt desulfurizing agent, includes the following steps:
(1) by the fine silica powder, synergist, sodium sulfite, antioxidant, propane diamine, antisludging agent, activator,
Ammonium benzoate, sodium ethylene diamine tetracetate, methyl diethanolamine, sodium benzoate are separately added into 40 DEG C of water, are stirred evenly；
(2) white lime is added, in drying, grinding after being sufficiently stirred；
(3) gained solid matter is filtered.
Preferably, the drying temperature in step (2) is 80 DEG C.
Preferably, which is characterized in that the mixing speed in step (2) is 100r/min.
Claims (7)
1. a kind of metal smelt desulfurizing agent, which is characterized in that its each component and its mass fraction are as follows: fine silica powder 22-
25 parts, 2-8 parts of synergist, 5-10 parts of sodium sulfite, 2-5 parts of antioxidant, 21-23 parts of white lime, 13-20 parts of propane diamine, resistance
Dirty agent 2-8 parts, 3-6 parts of activator, 11-15 parts of ammonium benzoate, 13-20 parts of sodium ethylene diamine tetracetate, methyl diethanolamine 18-30
Part, 2-4 parts of sodium benzoate.
2. a kind of coating for steel bar corrosion according to claim 1, which is characterized in that the synergist is formic acid
Calcium.
3. a kind of coating for steel bar corrosion according to claim 1, which is characterized in that the PH of the desulfurizing agent is 6-
7。
4. a kind of coating for steel bar corrosion according to claim 1, which is characterized in that the antisludging agent is amino three
Methene phosphoric acid.
5. a kind of preparation method of the metal smelt desulfurizing agent as described in claim 1-4, which is characterized in that including walking as follows
It is rapid:
(1) by the fine silica powder, synergist, sodium sulfite, antioxidant, propane diamine, antisludging agent, activator, benzene first
Sour ammonium, sodium ethylene diamine tetracetate, methyl diethanolamine, sodium benzoate are separately added into 30-40 DEG C of water, are stirred evenly；
(2) white lime is added, in drying, grinding after being sufficiently stirred；
(3) gained solid matter is filtered.
6. a kind of preparation method of metal smelt desulfurizing agent as claimed in claim 5, which is characterized in that in step (2)
The drying temperature is 70-80 DEG C.
7. a kind of preparation method of metal smelt desulfurizing agent as claimed in claim 5, which is characterized in that in step (2)
The mixing speed is 100r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810884588.XA CN108977609A (en) | 2018-08-06 | 2018-08-06 | A kind of metal smelt desulfurizing agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810884588.XA CN108977609A (en) | 2018-08-06 | 2018-08-06 | A kind of metal smelt desulfurizing agent and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108977609A true CN108977609A (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810884588.XA Pending CN108977609A (en) | 2018-08-06 | 2018-08-06 | A kind of metal smelt desulfurizing agent and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4067729A (en) * | 1976-09-01 | 1978-01-10 | Wolfgang Holzgruber | Desulfurization of liquid iron melts |
| CN86101607A (en) * | 1985-03-13 | 1986-10-22 | 北海道电力株式会社 | Preparing process of desulfurizer and denitrifier |
| JPH05117735A (en) * | 1991-10-30 | 1993-05-14 | Kawasaki Steel Corp | Desulfurizing agent for molten iron and method for desulfurizing molten iron using this desulfurizing agent |
| JP4163186B2 (en) * | 2005-03-18 | 2008-10-08 | 電気化学工業株式会社 | Refining flux and manufacturing method thereof |
| CN108754058A (en) * | 2018-06-07 | 2018-11-06 | 上海应用技术大学 | A kind of nano-hot metal composite desulfurizing agent and preparation method thereof |
-
2018
- 2018-08-06 CN CN201810884588.XA patent/CN108977609A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4067729A (en) * | 1976-09-01 | 1978-01-10 | Wolfgang Holzgruber | Desulfurization of liquid iron melts |
| CN86101607A (en) * | 1985-03-13 | 1986-10-22 | 北海道电力株式会社 | Preparing process of desulfurizer and denitrifier |
| JPH05117735A (en) * | 1991-10-30 | 1993-05-14 | Kawasaki Steel Corp | Desulfurizing agent for molten iron and method for desulfurizing molten iron using this desulfurizing agent |
| JP4163186B2 (en) * | 2005-03-18 | 2008-10-08 | 電気化学工業株式会社 | Refining flux and manufacturing method thereof |
| CN108754058A (en) * | 2018-06-07 | 2018-11-06 | 上海应用技术大学 | A kind of nano-hot metal composite desulfurizing agent and preparation method thereof |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190522 Address after: 221000 Datun Street Office Industrial Park, Peixian County, Xuzhou City, Jiangsu Province Applicant after: Xuzhou macro Yangxin Mstar Technology Ltd Address before: 221000 Hanyuan Street Office, Peixian County, Xuzhou City, Jiangsu Province Applicant before: Shao Zhuhang |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |
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| RJ01 | Rejection of invention patent application after publication |