CN104482204A - Ceramic sealing ring prepared by using waste materials - Google Patents
Ceramic sealing ring prepared by using waste materials Download PDFInfo
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- CN104482204A CN104482204A CN201410688675.XA CN201410688675A CN104482204A CN 104482204 A CN104482204 A CN 104482204A CN 201410688675 A CN201410688675 A CN 201410688675A CN 104482204 A CN104482204 A CN 104482204A
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- rubber
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/283—Halogenated homo- or copolymers of iso-olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a ceramic sealing ring prepared by using waste materials, by means of taking industrial waste ceramic materials, silicon dioxide, silicon carbide, boron carbide, zinc oxide, titanium oxide and the like as green body materials, and taking waste silicone rubber, brominated butyl rubber, N660 carbon black, glass fiber, activating agent and PEG20000 as rubber components, the sealing ring is obtained through heat vulcanization process, the preparation process of the sealing ring is simple and is easy to industrialize, and the sealing ring prepared has excellent physical and chemical properties.
Description
Technical field
The invention belongs to seal ring field, particularly a kind of ceramic seal circle utilizing waste and old raw material to prepare.
Background technique
Along with the development of China's science and technology, various technique is also more and more higher for the demand of mechanical seal and motion seal, in the field such as metallurgy, machinery, chemical industry, medicine, food, anti-corrosive pump, automobile and pneumatic element, more and more need that precision is high, mechanical strength good, high temperature abrasion resistance is good, resistance to chemical corrosion is good, the seal ring of waterproof contour performance during temperature jump.
Ceramic seal circle is the emphasis of research now, has people by aluminium oxide 50 ~ 70wt%; Zirconium oxide 10 ~ 20wt%; Ethylene glycol 3 ~ 7wt%; Polyethylene 5 ~ 9wt%; One or more 2 ~ 5wt% in Ludox, Alumina gel or soft clay make fireproof clay sealing ring, but its purposes is limited, and sealability also awaits improving; And nano ceramics is incorporated into the focus that ceramic field is research now, due to the excellent physical and chemical performance that nanometer material has, the mechanics of nano ceramics, electricity and mechanical property greatly will be improved.
Simultaneously, working life due to seal ring is limited, waste and old seal ring how is again utilized also to be the present focus that everybody pays close attention to, the main component of waste old ceramics remains aluminium oxide and silica, how by suitable technical recipe and technological process, add suitable material, adopt suitable technique, prepare high performance ceramic seal circle and be also one and significantly work.
Summary of the invention
The object of the invention is for the problems referred to above, develop a kind of ceramic seal circle utilizing waste and old raw material to prepare.
Sealing circle is divided into two-part, and inside is ceramic segment, and outside is rubber part, and ceramic segment passes through hot vulcanization process layout in rubber,
The weight portion of ceramic segment consists of:
Industrial waste ceramic raw material 50-70 part
Nano silicon 10-30 part
Nanometer silicon carbide 15-20 part
Fused magnesite 10-15 part
Nano boron carbide 5-10 part
Nano zine oxide 5-10 part
Nano-titanium oxide 5-10 part
Carbon black 5-10 part
Yttrium stable zirconium oxide 10-20 part
Andalusite 6-10 part
Tempering fiber 1-5 part
PVA 1-3 part
Aluminate cement 1-3 part;
The weight portion of rubber part consists of:
Waste silicone rubber 40-60 part
Brombutyl 20-40 part
N660 carbon black 20-40 part
Carbon fiber 3-5 part
Activator 1-3 part
PEG20000 1-3 part;
The wearing coefficient of described seal ring is 130-160g/cm3, and normal pressure compressive strength is 500-650Mpa, and normal pressure bending strength is 550-650Mpa, and resistance to maximum operation (service) temperature is not less than 1600 DEG C, and thermal conductivity is 22-32w/(mk);
Preparation process is as follows:
(1) routine fragmentation is carried out to industrial waste ceramic raw material, removal of impurities, after again it being mixed in proportion with other ceramic raw materials, carry out ball milling, ball-milling medium is purified water, abrading-ball is aluminium oxide abrading-ball, by ball milling 1-3h, obtain mixing homogeneous slurry, by sieving, after mist projection granulating, carry out secondary ball milling, ball-milling medium is purified water, abrading-ball is aluminium oxide abrading-ball, by ball milling 1-3h, slurry after ball milling is placed in mould, compressing with the pressure isostatic pressed of 10-20Mpa, obtain green compact, at 800 ~ 830 DEG C, biscuiting 30-40min is carried out to green compact subsequently, obtain ceramic body,
(2) rubber raw materials is carried out fragmentation, ground and mixed, ball-milling medium is purified water, and abrading-ball is aluminium oxide abrading-ball, obtains homogeneous rubber raw materials;
(3) be injected in ceramic body by rubber raw materials through high-pressure injection moulding machine, carry out sulfuration 5-7h subsequently in sulfurizing pot, sulfurize temperature is 200-270 DEG C;
(4) wear-resistant ceramic seal ring is obtained through conventional reprocessing.
As preferably, described industrial waste ceramic raw material contains following component: Al2O3 50-70%, SiO2 20-30%, MgO 5-10%, Fe2O3 1-2%, ZnO 1-2%, Na2O 1-2%, K2O 0-2%.
As preferably, described nano silicon is of a size of 80-100nm.
As preferably, the sulfurize temperature in step (3) is 250 DEG C, and cure time is 6h.
Beneficial effect of the present invention:
(1) the present invention reasonably utilizes industrial waste pottery and waste silicone rubber, by adding suitable material, obtains the ceramic seal circle possessing high physical and chemical performance.
(2) various blank raw material and rubber raw materials organically combine by the present invention, and by optimized fabrication technique, obtain good mechanical property, the wear-resistant ceramic seal ring of refractory heat-insulating, health environment-friendly.
(2) the present invention is by introducing nano inorganic material in the ceramic composition of seal ring, further increase the physical and chemical performance of seal ring, its wearing coefficient, normal pressure compressive strength, normal pressure bending strength and the parameter such as resistance to maximum operation (service) temperature and thermal conductivity all promote greatly compared to common seal ring.
(4) the seal ring preparation process for preparing of the present invention is simple, environmental protection, and is convenient to industrialized production.
Embodiment
Below in conjunction with specific embodiment, and reference data describes in further detail the present invention.Should be understood that these embodiments just in order to demonstrate the invention, but not limit the scope of the invention by any way.
Embodiment 1:
Utilize waste and old raw material to prepare a method for ceramic seal circle, sealing circle is divided into two-part, and inside is ceramic segment, and outside is rubber part, and ceramic segment passes through hot vulcanization process layout in rubber,
The weight portion of nano ceramics part consists of:
Industrial waste ceramic raw material 50 parts
Nano silicon 30 parts
Nanometer silicon carbide 20 parts
Fused magnesite 15 parts
Nano boron carbide 10 parts
Nano zine oxide 10 parts
Nano-titanium oxide 10 parts
Carbon black 10 parts
Yttrium stable zirconium oxide 20 parts
Andalusite 10 parts
Tempering fiber 5 parts
PVA 3 parts
Aluminate cement 3 parts;
The weight portion of rubber part consists of:
Waste silicone rubber 40 parts
Brombutyl 50 parts
N660 carbon black 40 parts
5 parts, glass fibre
3 parts, activator
PEG20000 3 parts;
Described industrial waste ceramic raw material contains following component: Al2O3 55%, SiO2 30%, MgO 10%, Fe2O3 1%, ZnO 2%, Na2O 1%, K2O 1%;
Nano silicon is of a size of 100nm;
The wearing coefficient of described seal ring is 130g/cm3, and normal pressure compressive strength is 600Mpa, and normal pressure bending strength is 600Mpa, and resistance to maximum operation (service) temperature is 1780 DEG C, and thermal conductivity is 32w/(mk).
Embodiment 2:
Utilize waste and old raw material to prepare a method for ceramic seal circle, sealing circle is divided into two-part, and inside is ceramic segment, and outside is rubber part, and ceramic segment passes through hot vulcanization process layout in rubber,
The weight portion of nano ceramics part consists of:
Industrial waste ceramic raw material 70 parts
Nano silicon 10 parts
Nanometer silicon carbide 10 parts
Fused magnesite 10 parts
Nano boron carbide 5 parts
Nano zine oxide 5 parts
Nano-titanium oxide 5 parts
Carbon black 5 parts
Yttrium stable zirconium oxide 10 parts
Andalusite 6 parts
Tempering fiber 1 part
PVA 1 part
Aluminate cement 1 part;
The weight portion of rubber part consists of:
Waste silicone rubber 60 parts
Brombutyl 30 parts
N660 carbon black 20 parts
3 parts, glass fibre
1 part, activator
PEG20000 1 part;
Described industrial waste ceramic raw material contains following component: Al2O3 59%, SiO2 27%, MgO 10%, Fe2O3 1%, ZnO 2%, Na2O 1%, K2O 0%;
Nano silicon is of a size of 80nm;
The wearing coefficient 130g/cm3 of described seal ring, normal pressure compressive strength is 570Mpa, and normal pressure bending strength is 600Mpa, resistance to maximum operation (service) temperature 1790 DEG C, and thermal conductivity is 30w/(mk).
Embodiment 3:
Utilize waste and old raw material to prepare a method for ceramic seal circle, sealing circle is divided into two-part, and inside is ceramic segment, and outside is rubber part, and ceramic segment passes through hot vulcanization process layout in rubber,
The weight portion of nano ceramics part consists of:
Industrial waste ceramic raw material 60 parts
Nano silicon 10 parts
Nanometer silicon carbide 10 parts
Fused magnesite 10 parts
Nano boron carbide 5 parts
Nano zine oxide 5 parts
Nano-titanium oxide 5 parts
Carbon black 5 parts
Yttrium stable zirconium oxide 10 parts
Andalusite 6 parts
Tempering fiber 1 part
PVA 1 part
Aluminate cement 1 part;
The weight portion of rubber part consists of:
Waste silicone rubber 50 parts
Brombutyl 30 parts
N660 carbon black 20 parts
3 parts, glass fibre
1 part, activator
PEG20000 1 part;
Described industrial waste ceramic raw material contains following component: Al2O3 59%, SiO2 27%, MgO 10%, Fe2O3 1%, ZnO 2%, Na2O 1%, K2O 0%;
Nano silicon is of a size of 100nm;
The wearing coefficient 132g/cm3 of described seal ring, normal pressure compressive strength is 573Mpa, and normal pressure bending strength is 606Mpa, resistance to maximum operation (service) temperature 1800 DEG C, and thermal conductivity is 32w/(mk).
Embodiment 4:
Utilize waste and old raw material to prepare a method for ceramic seal circle, sealing circle is divided into two-part, and inside is ceramic segment, and outside is rubber part, and ceramic segment passes through hot vulcanization process layout in rubber,
The weight portion of nano ceramics part consists of:
Industrial waste ceramic raw material 60 parts
Nano silicon 20 parts
Nanometer silicon carbide 20 parts
Fused magnesite 15 parts
Nano boron carbide 10 parts
Nano zine oxide 10 parts
Nano-titanium oxide 10 parts
Carbon black 10 parts
Yttrium stable zirconium oxide 20 parts
Andalusite 10 parts
Tempering fiber 5 parts
PVA 3 parts
Aluminate cement 3 parts;
The weight portion of rubber part consists of:
Waste silicone rubber 40 parts
Brombutyl 50 parts
N660 carbon black 40 parts
5 parts, glass fibre
3 parts, activator
PEG20000 3 parts;
Described industrial waste ceramic raw material contains following component: Al2O3 55%, SiO2 30%, MgO 10%, Fe2O3 1%, ZnO 2%, Na2O 1%, K2O 1%;
Nano silicon is of a size of 90nm;
The wearing coefficient of described seal ring is 135g/cm3, and normal pressure compressive strength is 602Mpa, and normal pressure bending strength is 610Mpa, and resistance to maximum operation (service) temperature is 1790 DEG C, and thermal conductivity is 30w/(mk).
Embodiment 5:
Utilize waste and old raw material to prepare a method for ceramic seal circle, sealing circle is divided into two-part, and inside is ceramic segment, and outside is rubber part, and ceramic segment passes through hot vulcanization process layout in rubber,
The weight portion of nano ceramics part consists of:
Industrial waste ceramic raw material 70 parts
Nano silicon 20 parts
Nanometer silicon carbide 20 parts
Fused magnesite 15 parts
Nano boron carbide 10 parts
Nano zine oxide 10 parts
Nano-titanium oxide 10 parts
Carbon black 10 parts
Yttrium stable zirconium oxide 20 parts
Andalusite 10 parts
Tempering fiber 5 parts
PVA 3 parts
Aluminate cement 3 parts;
The weight portion of rubber part consists of:
Waste silicone rubber 50 parts
Brombutyl 50 parts
N660 carbon black 40 parts
5 parts, glass fibre
3 parts, activator
PEG20000 3 parts;
Described industrial waste ceramic raw material contains following component: Al2O3 55%, SiO2 30%, MgO 10%, Fe2O3 1%, ZnO 2%, Na2O 1%, K2O 1%;
Nano silicon is of a size of 100nm;
The wearing coefficient of described seal ring is 156g/cm3, and normal pressure compressive strength is 640Mpa, and normal pressure bending strength is 630Mpa, and resistance to maximum operation (service) temperature is 1690 DEG C, and thermal conductivity is 31w/(mk).
Comparative example 1:
Utilize waste and old raw material to prepare a method for ceramic seal circle, sealing circle is divided into two-part, and inside is ceramic segment, and outside is rubber part, and ceramic segment passes through hot vulcanization process layout in rubber,
The weight portion of nano ceramics part consists of:
Industrial waste ceramic raw material 50 parts
Silica 30 parts
20 parts, silicon carbide
Fused magnesite 15 parts
Boron carbide 10 parts
10 parts, zine oxide
Titanium oxide 10 parts
Carbon black 10 parts
Yttrium stable zirconium oxide 20 parts
Andalusite 10 parts
Tempering fiber 5 parts
PVA 3 parts
Aluminate cement 3 parts;
The weight portion of rubber part consists of:
Waste silicone rubber 40 parts
Brombutyl 50 parts
N660 carbon black 40 parts
5 parts, glass fibre
3 parts, activator
PEG20000 3 parts;
Described industrial waste ceramic raw material contains following component: Al2O3 55%, SiO2 30%, MgO 10%, Fe2O3 1%, ZnO 2%, Na2O 1%, K2O 1%;
Nano silicon is of a size of 100nm;
The wearing coefficient of described seal ring is 100g/cm3, and normal pressure compressive strength is 400Mpa, and normal pressure bending strength is 500Mpa, and resistance to maximum operation (service) temperature is 1480 DEG C, and thermal conductivity is 23w/(mk).
Claims (4)
1. utilize a ceramic seal circle prepared by waste and old raw material, it is characterized in that: sealing circle is divided into two-part, inside is ceramic segment, and outside is rubber part, and ceramic segment passes through hot vulcanization process layout in rubber,
The weight portion of ceramic segment consists of:
Industrial waste ceramic raw material 50-70 part
Nano silicon 10-30 part
Nanometer silicon carbide 15-20 part
Fused magnesite 10-15 part
Nano boron carbide 5-10 part
Nano zine oxide 5-10 part
Nano-titanium oxide 5-10 part
Carbon black 5-10 part
Yttrium stable zirconium oxide 10-20 part
Andalusite 6-10 part
Tempering fiber 1-5 part
PVA 1-3 part
Aluminate cement 1-3 part;
The weight portion of rubber part consists of:
Waste silicone rubber 40-60 part
Brombutyl 20-40 part
N660 carbon black 20-40 part
Carbon fiber 3-5 part
Activator 1-3 part
PEG20000 1-3 part;
The wearing coefficient of described seal ring is 130-160g/cm3, and normal pressure compressive strength is 500-650Mpa, and normal pressure bending strength is 550-650Mpa, and resistance to maximum operation (service) temperature is not less than 1600 DEG C, and thermal conductivity is 22-32w/(mk).
2. the ceramic seal circle utilizing waste and old raw material to prepare as claimed in claim 1, is characterized in that described industrial waste ceramic raw material contains following component: Al2O3 50-70%, SiO2 20-30%, MgO 5-10%, Fe2O3 1-2%, ZnO 1-2%, Na2O 1-2%, K2O 0-2%.
3. the ceramic seal circle utilizing waste and old raw material to prepare as claimed in claim 1 or 2, is characterized in that described nano silicon is of a size of 80-100nm.
4. the ceramic seal circle utilizing waste and old raw material to prepare as claimed in claim 3, it is characterized in that the sulfurize temperature in step (3) is 250 DEG C, cure time is 6h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410688675.XA CN104482204B (en) | 2014-11-26 | 2014-11-26 | Ceramic sealing ring prepared by using waste materials |
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| CN201410688675.XA CN104482204B (en) | 2014-11-26 | 2014-11-26 | Ceramic sealing ring prepared by using waste materials |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104961487A (en) * | 2015-07-04 | 2015-10-07 | 张燕 | Vanadium iron slag-low piezoelectric ceramic waste refractory castable |
| CN105777076A (en) * | 2016-03-14 | 2016-07-20 | 景德镇市瓷海瓷业有限公司 | Method for producing fine ceramic products with waste ceramic adopted as main material |
| CN105777148A (en) * | 2016-01-30 | 2016-07-20 | 武汉科技大学 | Coil daub for medium-frequency induction furnace and preparation method thereof |
| CN107963876A (en) * | 2017-11-22 | 2018-04-27 | 郑州源冉生物技术有限公司 | It is a kind of to utilize ceramic seal circle of discarded object production and preparation method thereof |
| CN112409709A (en) * | 2020-10-15 | 2021-02-26 | 扬州千裕电气有限公司 | High-pressure environment-friendly ceramic rubber sealing ring |
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| CN101007729A (en) * | 2006-01-27 | 2007-08-01 | 黄福得 | Heat-proof silica gel material containing inorganic ceramic hollow particle sphere |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104961487A (en) * | 2015-07-04 | 2015-10-07 | 张燕 | Vanadium iron slag-low piezoelectric ceramic waste refractory castable |
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| CN105777076A (en) * | 2016-03-14 | 2016-07-20 | 景德镇市瓷海瓷业有限公司 | Method for producing fine ceramic products with waste ceramic adopted as main material |
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| CN107963876A (en) * | 2017-11-22 | 2018-04-27 | 郑州源冉生物技术有限公司 | It is a kind of to utilize ceramic seal circle of discarded object production and preparation method thereof |
| CN112409709A (en) * | 2020-10-15 | 2021-02-26 | 扬州千裕电气有限公司 | High-pressure environment-friendly ceramic rubber sealing ring |
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| CN104482204B (en) | 2017-04-26 |
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Inventor after: Yu Shengping Inventor before: Shi Meizhen |
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Effective date of registration: 20170329 Address after: 226000 Haian County, Nantong Province town of Li Ling Ling village, the group of 13 Applicant after: Jiangsu Jiuri Numerical Control Machine Tool Co., Ltd. Address before: 312400 Zhejiang city of Shaoxing province Shengzhou city streets Lake Yan Yu Village Applicant before: Shi Meizhen |
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