CN106278313A - A kind of furane resins are from hard heat preservation rising head and preparation method thereof - Google Patents
A kind of furane resins are from hard heat preservation rising head and preparation method thereof Download PDFInfo
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- CN106278313A CN106278313A CN201610663345.4A CN201610663345A CN106278313A CN 106278313 A CN106278313 A CN 106278313A CN 201610663345 A CN201610663345 A CN 201610663345A CN 106278313 A CN106278313 A CN 106278313A
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- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/088—Feeder heads
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- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
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Abstract
A kind of furane resins are from hard heat preservation rising head and preparation method thereof, and it belongs to casting field.The present invention solves tradition heat preservation rising head, and owing to existing, heating is not enough, heat insulation effect is poor, and is difficult to meet the problem that high quality casting requirement rising head has high feeding.The rising head of the present invention is that the mixture of aluminium powder, carbon dust, magnesium powder, potassium nitrate, brown iron oxide, sodium chloride, Vermiculitum and expanded perlite, silica sand, furane resins, toluenesulfonic acid are made.Method: one, weigh by mass fraction；Two, it is blended blank；Three, consolidation molding in hot top mould, after room temperature vulcanizing.The rising head of the present invention is used for casting.
Description
Technical field
The invention belongs to casting field, be specifically related to a kind of furane resins from hard heat preservation rising head and preparation side thereof
Method.
Background technology
Sand casting produce in, heat preservation emits the effect that can play feeding, aerofluxus and deslagging, when rising head performance not
Time good, often result in the casting flaw such as shrinkage cavity and porosity, slag inclusion, cause foundry goods to be scrapped, reduce production efficiency.Along with to foundry goods matter
What amount required improves constantly, and heat preservation rising head be it is also proposed higher requirement.Tradition heat preservation rising head is due to heating not
The shortcomings such as foot, heat insulation effect are bad, it is difficult to meet the high request of feeding, deslagging, aerofluxus.Therefore, it is necessary to develop novel sending out
Hot insulated feeder.
Summary of the invention
The present invention is that owing to existing, heating is not enough, heat insulation effect is poor in order to solve tradition heat preservation rising head, and is difficult to full
Foot high quality casting requires the problem that rising head has high feeding, it is provided that a kind of furane resins are from hard heat preservation rising head and system thereof
Preparation Method.
A kind of furane resins are from hard heat preservation rising head, and it is by 16 ~ 18 parts of aluminium powders, 8 ~ 10 parts of carbon by mass fraction
Powder, 5 ~ 6 parts of magnesium powder, 2 ~ 3 parts of potassium nitrate, 8 ~ 10 parts of brown iron oxides, 3 ~ 5 parts of sodium chloride, 19 ~ 22 parts of Vermiculitums and expanded perlite
Mixture, 24 ~ 38 parts of silica sands, 1 ~ 2 part of furane resins, 0.5 ~ 0.6 part of toluenesulfonic acid are made.
A kind of furane resins are prepared according to the following steps from the preparation method of hard heat preservation rising head:
Step one, weigh respectively by mass fraction 16 ~ 18 parts of aluminium powders, 8 ~ 10 parts of carbon dusts, 5 ~ 6 parts of magnesium powder, 2 ~ 3 parts of potassium nitrate, 8 ~
10 parts of brown iron oxides, 3 ~ 5 parts of sodium chloride, 19 ~ 22 parts of Vermiculitums and the mixture of expanded perlite, 24 ~ 38 parts of silica sands, 1 ~ 2 part of furan
Furane resins, 0.5 ~ 0.6 part of toluenesulfonic acid；
Step 2, the potassium nitrate that step one is weighed, brown iron oxide, sodium chloride, Vermiculitum and the mixture of expanded perlite, silicon
Sand, toluenesulfonic acid are blended 1min ~ 1.5min in puddle mixer, add furane resins and are blended 0.5min ~ 1min, are eventually adding aluminum
Powder, carbon dust, magnesium powder are blended 0.5min ~ 1min, it is thus achieved that the blank being blended；
Step 3, the blank consolidation molding in hot top mould step 2 obtained, get final product the demoulding, at room temperature warp after 0.5h
Heat preservation rising head is obtained after 5 ~ 7h hardening.
Wherein the granularity of the aluminium powder described in step one, carbon dust and magnesium powder is 150 mesh ~ 200 mesh, and quality purity is all higher than
95%；The granularity of the mixture of Vermiculitum and expanded perlite is 80 mesh ~ 120 mesh；The granularity of silica sand is 70 mesh ~ 100 mesh, titanium dioxide
Silicone content is more than 95%, and clay content is less than 0.5%.
Beneficial effects of the present invention: employing Vermiculitum of the present invention and expanded perlite are insulation material, silica sand filling
Between their granule, play packing material and the effect of fire-resistant skeleton, both there is preferable elevated temperature strength, had again good
Heat insulation effect；Aluminium powder, carbon dust and magnesium powder be exothermic mixture, potassium nitrate and brown iron oxide be igniting agent, sodium chloride plays regulator
Effect so that it is there is the advantage that speed of ignition is fast and burning velocity is slow, improve heating effect.For above-mentioned reasons, can make to emit
Mouth inner metal liquid setting time is more than 2 times of tradition heat preservation rising head, and feeding rate improves 15% than traditional heat preservation rising head
Above.
Detailed description of the invention
Technical solution of the present invention is not limited to the detailed description of the invention of act set forth below, also include each detailed description of the invention it
Between combination in any.
Detailed description of the invention one: a kind of furane resins of present embodiment are from hard heat preservation rising head, and it presses mass fraction
Be by 16 ~ 18 parts of aluminium powders, 8 ~ 10 parts of carbon dusts, 5 ~ 6 parts of magnesium powder, 2 ~ 3 parts of potassium nitrate, 8 ~ 10 parts of brown iron oxides, 3 ~ 5 parts of sodium chloride,
19 ~ 22 parts of Vermiculitums and the mixture of expanded perlite, 24 ~ 38 parts of silica sands, 1 ~ 2 part of furane resins, 0.5 ~ 0.6 part of toluenesulfonic acid system
Become.
In present embodiment, furane resins use as binding agent, and toluenesulfonic acid uses as sclerosing agent.
Detailed description of the invention two: present embodiment is unlike detailed description of the invention one, and a kind of furane resins are from hard
Heat preservation rising head, it by mass fraction be by 16 parts of aluminium powders, 8 parts of carbon dusts, 5 parts of magnesium powder, 2 parts of potassium nitrate, 8 parts of brown iron oxides, 3
Part sodium chloride, 19 parts of Vermiculitums and the mixture of expanded perlite, 37 parts of silica sands, 1.5 parts of furane resins, 0.5 part of toluenesulfonic acid system
Become.Other is identical with detailed description of the invention one.
Detailed description of the invention three: present embodiment is unlike detailed description of the invention one or two, and a kind of furane resins are certainly
Hard heat preservation rising head, it is by 18 parts of aluminium powders, 10 parts of carbon dusts, 6 parts of magnesium powder, 3 parts of potassium nitrate, 9.4 parts of oxygen by mass fraction
Change iron powder, 5 parts of sodium chloride, 22 parts of Vermiculitums and the mixture of expanded perlite, 24 parts of silica sands, 2 parts of furane resins, 0.6 part of toluene
Sulfonic acid is made.Other is identical with detailed description of the invention one or two.
Detailed description of the invention four: present embodiment unlike one of detailed description of the invention one to three, a kind of furan tree
Fat is from hard heat preservation rising head, and it is by 17 parts of aluminium powders, 9 parts of carbon dusts, 5 parts of magnesium powder, 3 parts of potassium nitrate, 9 parts of oxygen by mass fraction
Change iron powder, 4 parts of sodium chloride, 20 parts of Vermiculitums and the mixture of expanded perlite, 31 parts of silica sands, 1.5 parts of furane resins, 0.5 part of first
Benzenesulfonic acid is made.Other is identical with one of detailed description of the invention one to three.
Detailed description of the invention five: in present embodiment, a kind of furane resins from the preparation method of hard heat preservation rising head are
It is prepared according to the following steps:
Step one, weigh respectively by mass fraction 16 ~ 18 parts of aluminium powders, 8 ~ 10 parts of carbon dusts, 5 ~ 6 parts of magnesium powder, 2 ~ 3 parts of potassium nitrate, 8 ~
10 parts of brown iron oxides, 3 ~ 5 parts of sodium chloride, 19 ~ 22 parts of Vermiculitums and the mixture of expanded perlite, 24 ~ 38 parts of silica sands, 1 ~ 2 part of furan
Furane resins, 0.5 ~ 0.6 part of toluenesulfonic acid；
Step 2, the potassium nitrate that step one is weighed, brown iron oxide, sodium chloride, Vermiculitum and the mixture of expanded perlite, silicon
Sand, toluenesulfonic acid are blended 1min ~ 1.5min in puddle mixer, add furane resins and are blended 0.5min ~ 1min, are eventually adding aluminum
Powder, carbon dust, magnesium powder are blended 0.5min ~ 1min, it is thus achieved that the blank being blended；
Step 3, the blank consolidation molding in hot top mould step 2 obtained, get final product the demoulding, at room temperature warp after 0.5h
Heat preservation rising head is obtained after 5 ~ 7h hardening.
Wherein the granularity of the aluminium powder described in step one, carbon dust and magnesium powder is 150 mesh ~ 200 mesh, and quality purity is all higher than
95%；The granularity of the mixture of Vermiculitum and expanded perlite is 80 mesh ~ 120 mesh；The granularity of silica sand is 70 mesh ~ 100 mesh, titanium dioxide
Silicone content is more than 95%, and clay content is less than 0.5%.
Detailed description of the invention six: present embodiment, unlike detailed description of the invention five, presses mass fraction in step one
Weigh 16 parts of aluminium powders, 8 parts of carbon dusts, 5 parts of magnesium powder, 2 parts of potassium nitrate, 8 parts of brown iron oxides, 3 parts of sodium chloride, 19 parts of Vermiculitums and swollen respectively
Swollen perlitic mixture, 37 parts of silica sands, 1.5 parts of furane resins, 0.5 part of toluenesulfonic acid.Other step and parameter are real with concrete
Execute mode five identical.
Detailed description of the invention seven: present embodiment is unlike detailed description of the invention five or six, by quality in step one
Mark weigh respectively 18 parts of aluminium powders, 10 parts of carbon dusts, 6 parts of magnesium powder, 3 parts of potassium nitrate, 9.4 parts of brown iron oxides, 5 parts of sodium chloride, 22 parts
Vermiculitum and the mixture of expanded perlite, 24 parts of silica sands, 2 parts of furane resins, 0.6 part of toluenesulfonic acid.Other step and parameter with
Detailed description of the invention five or six is identical.
Detailed description of the invention eight: present embodiment, unlike one of detailed description of the invention five to seven, is pressed in step one
Mass fraction weigh respectively 17 parts of aluminium powders, 9 parts of carbon dusts, 5 parts of magnesium powder, 3 parts of potassium nitrate, 9 parts of brown iron oxides, 4 parts of sodium chloride, 20 parts
Vermiculitum and the mixture of expanded perlite, 31 parts of silica sands, 1.5 parts of furane resins, 0.5 part of toluenesulfonic acid.Other step and parameter
Identical with one of detailed description of the invention five to seven.
Detailed description of the invention nine: present embodiment, will in step 2 unlike one of detailed description of the invention five to eight
The mixture of potassium nitrate, brown iron oxide, sodium chloride, Vermiculitum and expanded perlite that step one weighs, silica sand, toluenesulfonic acid are mixed
Sand machine is blended 1.5min, adds furane resins and be blended 1min, be eventually adding aluminium powder, carbon dust, magnesium powder are blended 0.5min, it is thus achieved that
The blank being blended.Its step and parameter are identical with one of detailed description of the invention five to eight.
Detailed description of the invention ten: present embodiment, will in step 3 unlike one of detailed description of the invention five to nine
Blank consolidation molding in hot top mould that step 2 obtains, gets final product the demoulding after 0.5h, at room temperature obtains after 6h hardens
Heat preservation rising head.Its step and parameter are identical with one of detailed description of the invention five to nine.
Employing following example checking beneficial effects of the present invention:
Embodiment 1:
A kind of furane resins of the present embodiment are prepared according to the following steps from the preparation method of hard heat preservation rising head:
Step one, weigh respectively by mass fraction 16 parts of aluminium powders, 8 parts of carbon dusts, 5 parts of magnesium powder, 2 parts of potassium nitrate, 8 parts of brown iron oxides, 3
Part sodium chloride, 19 parts of Vermiculitums and the mixture of expanded perlite, 37 parts of silica sands, 1.5 parts of furane resins, 0.5 part of toluenesulfonic acid；
Step 2, the potassium nitrate that step one is weighed, brown iron oxide, sodium chloride, Vermiculitum and the mixture of expanded perlite, silicon
Sand, toluenesulfonic acid are blended 1.5min in puddle mixer, add furane resins and are blended 1min, are eventually adding aluminium powder, carbon dust, magnesium powder
It is blended 1min, it is thus achieved that the blank being blended；
Step 3, the blank consolidation molding in hot top mould step 2 obtained, get final product the demoulding, at room temperature warp after 0.5h
Heat preservation rising head is obtained after 5h hardening.
Wherein the granularity of the aluminium powder described in step one, carbon dust and magnesium powder is 150 mesh, and quality purity is all higher than 95%；Trematodiasis
The granularity of the mixture of stone and expanded perlite is 120 mesh；The granularity of silica sand is 70/100 mesh, and dioxide-containing silica is more than 95%,
Clay content is less than 0.5%.
Preparing the heat preservation rising head of gained in the present embodiment, after testing, after 24h, tensile strength is 0.78MPa, meets raw
Produce requirement；Rising head inner metal liquid setting time is 2.25 times of tradition heat preservation rising head, and feeding rate emits than traditional heat preservation
Mouth improves 16.5%, and heat preservation rising head prepared by the present embodiment has good heat preservation effect.
Embodiment 2:
A kind of furane resins of the present embodiment are prepared according to the following steps from the preparation method of hard heat preservation rising head:
Step one, weigh 18 parts of aluminium powders, 10 parts of carbon dusts, 6 parts of magnesium powder, 3 parts of potassium nitrate, 9.4 parts of ferrum oxides respectively by mass fraction
Powder, 5 parts of sodium chloride, 22 parts of Vermiculitums and the mixture of expanded perlite, 24 parts of silica sands, 2 parts of furane resins, 0.6 part of toluenesulfonic acid；
Step 2, the potassium nitrate that step one is weighed, brown iron oxide, sodium chloride, Vermiculitum and the mixture of expanded perlite, silicon
Sand, toluenesulfonic acid are blended 1min in puddle mixer, add furane resins and are blended 1min, be eventually adding aluminium powder, carbon dust, magnesium powder mix
1min processed, it is thus achieved that the blank being blended；
Step 3, the blank consolidation molding in hot top mould step 2 obtained, get final product the demoulding, at room temperature warp after 0.5h
Heat preservation rising head is obtained after 7h hardening.
Wherein the granularity of the aluminium powder described in step one, carbon dust and magnesium powder is 150 mesh, and quality purity is all higher than 95%；Trematodiasis
The granularity of the mixture of stone and expanded perlite is 120 mesh；The granularity of silica sand is 70/100 mesh, and dioxide-containing silica is more than 95%,
Clay content is less than 0.5%.
Preparing the heat preservation rising head of gained in the present embodiment, after testing, after 24h, tensile strength is 0.86MPa, meets raw
Produce requirement；Rising head inner metal liquid setting time is 2.1 times of tradition heat preservation rising head, and feeding rate is than traditional heat preservation rising head
Improving 15.7%, heat preservation rising head prepared by the present embodiment has good heat preservation effect.
Claims (10)
1. furane resins are from hard heat preservation rising head, it is characterised in that it by mass fraction be by 16 ~ 18 parts of aluminium powders, 8
~ 10 parts of carbon dusts, 5 ~ 6 parts of magnesium powder, 2 ~ 3 parts of potassium nitrate, 8 ~ 10 parts of brown iron oxides, 3 ~ 5 parts of sodium chloride, 19 ~ 22 parts of Vermiculitums and expansion
Perlitic mixture, 24 ~ 38 parts of silica sands, 1 ~ 2 part of furane resins, 0.5 ~ 0.6 part of toluenesulfonic acid are made.
A kind of furane resins the most according to claim 1 are from hard heat preservation rising head, it is characterised in that it is divided by quality
Number is by 16 parts of aluminium powders, 8 parts of carbon dusts, 5 parts of magnesium powder, 2 parts of potassium nitrate, 8 parts of brown iron oxides, 3 parts of sodium chloride, 19 parts of Vermiculitums and expansion
Perlitic mixture, 37 parts of silica sands, 1.5 parts of furane resins, 0.5 part of toluenesulfonic acid are made.
A kind of furane resins the most according to claim 1 are from hard heat preservation rising head, it is characterised in that it is divided by quality
Number be by 18 parts of aluminium powders, 10 parts of carbon dusts, 6 parts of magnesium powder, 3 parts of potassium nitrate, 9.4 parts of brown iron oxides, 5 parts of sodium chloride, 22 parts of Vermiculitums and
The mixture of expanded perlite, 24 parts of silica sands, 2 parts of furane resins, 0.6 part of toluenesulfonic acid are made.
A kind of furane resins the most according to claim 1 are from hard heat preservation rising head, it is characterised in that it is divided by quality
Number is by 17 parts of aluminium powders, 9 parts of carbon dusts, 5 parts of magnesium powder, 3 parts of potassium nitrate, 9 parts of brown iron oxides, 4 parts of sodium chloride, 20 parts of Vermiculitums and expansion
Perlitic mixture, 31 parts of silica sands, 1.5 parts of furane resins, 0.5 part of toluenesulfonic acid are made.
5. furane resins are from the preparation method of hard heat preservation rising head, it is characterised in that a kind of furane resins are from hard
The preparation method of heat preservation rising head is prepared according to the following steps:
Step one, weigh respectively by mass fraction 16 ~ 18 parts of aluminium powders, 8 ~ 10 parts of carbon dusts, 5 ~ 6 parts of magnesium powder, 2 ~ 3 parts of potassium nitrate, 8 ~
10 parts of brown iron oxides, 3 ~ 5 parts of sodium chloride, 19 ~ 22 parts of Vermiculitums and the mixture of expanded perlite, 24 ~ 38 parts of silica sands, 1 ~ 2 part of furan
Furane resins, 0.5 ~ 0.6 part of toluenesulfonic acid；
Step 2, the potassium nitrate that step one is weighed, brown iron oxide, sodium chloride, Vermiculitum and the mixture of expanded perlite, silicon
Sand, toluenesulfonic acid are blended 1min ~ 1.5min in puddle mixer, add furane resins and are blended 0.5min ~ 1min, are eventually adding aluminum
Powder, carbon dust, magnesium powder are blended 0.5min ~ 1min, it is thus achieved that the blank being blended；
Step 3, the blank consolidation molding in hot top mould step 2 obtained, get final product the demoulding, at room temperature warp after 0.5h
Heat preservation rising head is obtained after 5 ~ 7h hardening；
Wherein the granularity of the aluminium powder described in step one, carbon dust and magnesium powder is 150 mesh ~ 200 mesh, and quality purity is all higher than 95%；
The granularity of the mixture of Vermiculitum and expanded perlite is 80 mesh ~ 120 mesh；The granularity of silica sand is 70 mesh ~ 100 mesh, and silicon dioxide contains
Amount is more than 95%, and clay content is less than 0.5%.
A kind of furane resins the most according to claim 5 are from the preparation method of hard heat preservation rising head, it is characterised in that
Step one is weighed respectively by mass fraction 16 parts of aluminium powders, 8 parts of carbon dusts, 5 parts of magnesium powder, 2 parts of potassium nitrate, 8 parts of brown iron oxides, 3 parts
Sodium chloride, 19 parts of Vermiculitums and the mixture of expanded perlite, 37 parts of silica sands, 1.5 parts of furane resins, 0.5 part of toluenesulfonic acid.
A kind of furane resins the most according to claim 5 are from the preparation method of hard heat preservation rising head, it is characterised in that
Step one is weighed respectively by mass fraction 18 parts of aluminium powders, 10 parts of carbon dusts, 6 parts of magnesium powder, 3 parts of potassium nitrate, 9.4 parts of brown iron oxides, 5
Part sodium chloride, 22 parts of Vermiculitums and the mixture of expanded perlite, 24 parts of silica sands, 2 parts of furane resins, 0.6 part of toluenesulfonic acid.
A kind of furane resins the most according to claim 5 are from the preparation method of hard heat preservation rising head, it is characterised in that
Step one is weighed respectively by mass fraction 17 parts of aluminium powders, 9 parts of carbon dusts, 5 parts of magnesium powder, 3 parts of potassium nitrate, 9 parts of brown iron oxides, 4 parts
Sodium chloride, 20 parts of Vermiculitums and the mixture of expanded perlite, 31 parts of silica sands, 1.5 parts of furane resins, 0.5 part of toluenesulfonic acid.
9., according to a kind of furane resins described in claim 5 to 8 from the preparation method of hard heat preservation rising head, its feature exists
In, the mixture of potassium nitrate, brown iron oxide, sodium chloride, Vermiculitum and expanded perlite that in step 2, step one weighed, silicon
Sand, toluenesulfonic acid are blended 1.5min in puddle mixer, add furane resins and are blended 1min, are eventually adding aluminium powder, carbon dust, magnesium powder
It is blended 0.5min, it is thus achieved that the blank being blended.
A kind of furane resins the most according to claim 5 exist from the preparation method of hard heat preservation rising head, its feature
In, the blank consolidation molding in hot top mould in step 3, step 2 obtained, after 0.5h, get final product the demoulding, at room temperature warp
Heat preservation rising head is obtained after 6h hardening.
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| CN107159853A (en) * | 2017-05-14 | 2017-09-15 | 常州市奥普泰克光电科技有限公司 | A kind of preparation method of heat preservation rising head |
| WO2024065982A1 (en) * | 2022-09-27 | 2024-04-04 | 长兴鼎峰铸材科技股份有限公司 | Highly exothermic riser for turbocharger shell and preparation process therefor |
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Application publication date: 20170104 |