CN106316425A - Heat-insulating and wear-resistant pipe coating - Google Patents

Heat-insulating and wear-resistant pipe coating Download PDF

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Publication number
CN106316425A
CN106316425A CN201610688216.0A CN201610688216A CN106316425A CN 106316425 A CN106316425 A CN 106316425A CN 201610688216 A CN201610688216 A CN 201610688216A CN 106316425 A CN106316425 A CN 106316425A
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wear
parts
heat
insulating
granularity
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CN106316425B (en
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丁丰收
蒲李刚
丁傲
李旭柯
杨芝瑞
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Zhengzhou Ruiwo New Material Co.,Ltd.
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REWELL REFRACTORY (ZHENGZHOU) CO Ltd
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/62222—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining ceramic coatings
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/528—Spheres
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/77—Density
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a heat-insulating and wear-resistant pipe coating. The heat-insulating and wear-resistant pipe coating is prepared from the following raw materials in certain proportions: floating beads, nanometer hollow ceramic microbeads, waste electroceramic particles, expanded vermiculite, Guangxi white mud, activated aluminum oxide powder, silicon powder, carboxymethyl cellulose, epoxy resin, a T series curing agent and polypropylene explosion-proof fiber. The heat-insulating and wear-resistant pipe coating has relatively good wear resistance and washing resistance, and is applicable to lining coating of a factory hot air pipe; excellent heat insulation and volume stability reduce the heat loss of the hot air pipe, and good suspension is more conducive to coating during construction, so that the heat-insulating and wear-resistant pipe coating can be better attached to the surface of a construction body; meanwhile, the heat-insulating and wear-resistant pipe coating is convenient to construct and short in maintenance period, the heat insulation and the wear resistance thereof meet production needs, and the heat-insulating and wear-resistant pipe coating is high in comprehensive cost performance, prolongs the service life of the pipe and lowers the production cost; moreover, the heat-insulating and wear-resistant pipe coating has excellent fire-proof and heat-insulating effects, so that the heat-insulating and wear-resistant pipe coating can be also applied to outer-surface treatment of some firefighting pipes.

Description

The wear-resisting coating of pipe insulation
Technical field
The present invention relates to heat insulating refractory material, especially relate to a kind of wear-resisting coating of pipe insulation.
Background technology
Refractory material is a kind of proprietary material serving high temperature industry, owing to the complexity of high temperature industry specific environment is many Sample, some insulation materials are that some is then to completely cut off temperature in order to ensure minimizing temperature and the loss of heat when design uses Degree or naked light, thus its material property is also different with emphasis and be adjusted according to the difference using position.As at steel The wide variety of hot air ducts of industry such as ferrum, coking of coal, electric power are accomplished by smearing protective layer at internal layer so that it is have the most resistance to Mill and heat-insulating property, so can either reduce the loss of heat, can be effectively improved again the service life of pipeline.
The high-temperature gas that current hot air duct is passed through is from 400 DEG C to 1000 DEG C, big for the material of pipe lining Using spray paint, resistance to Pyroxylin, some cryogenic piping does not the most just have inner lining material more.Exist during design of material heat insulation property with Resistance to erosion wearability can not be taken into account, and there is bond effect when construction or use poor, the shortcomings such as maintenance replacement frequency is high.
Summary of the invention
It is an object of the invention to provide and a kind of be incubated that abrasion resistant effect pipe insulation good, length in service life is wear-resisting smears Material.
For achieving the above object, the present invention can take following technical proposals:
The wear-resisting coating of pipe insulation of the present invention, be by raw material floating bead, nano-hollow ceramic fine bead, useless electroceramics granule, Expanded vermiculite, Guangxi white clay, active oxidation aluminium powder, silicon powder, carboxymethyl cellulose, epoxy resin, T series firming agent, poly-third The explosion-proof fiber of alkene is formulated by following weight:
The floating bead of granularity 0.1 ~ 1mm 10 ~ 30 parts,
The nano-hollow ceramic fine bead of granularity 0.2 ~ 0.8mm 15 ~ 20 parts,
The useless electroceramics granule 20 ~ 50 parts of granularity 0.2 ~ 0.5mm,
The expanded vermiculite of 30 ~ 70 mesh 15 ~ 20 parts,
The Guangxi white clay of 200 ~ 320 mesh 10 ~ 18 parts,
Active oxidation aluminium powder 1 ~ 3 part,
The silicon powder of granularity 1 μm 1 ~ 3 part,
Carboxymethyl cellulose 0.5 ~ 2 part,
Epoxy resin 3 ~ 13 parts,
0.2 ~ 0.8 part of T series firming agent,
The explosion-proof fiber of polypropylene 0.03 ~ 0.06 part.
Useless electroceramics therein is high-strength electroceramics waste material, Al in composition2O3≥25；After being reclaimed, by dry for surface residual debris cleaning Desired particle size it is crushed to standby after Jing；
Expanded vermiculite used is expanded to 10-15 times after 800 DEG C of high temperature, the proportion 0.13 ~ 0.18g/cm3 after expansion；Used Al in floating bead2O3Content is 28 ~ 43%, bulk density≤0.4g/cm3。
After above-mentioned material precise, epoxy resin is individually deposited, and other raw materials are put in massing machine and stirred Mixing mixing, within 15 minutes, complete stirring, metering pack, sealing is deposited.
When site operation uses, weigh compound by blender capacity, siccative is premixed 2-3 minute, then add ring Epoxy resins stirs, and is contained in container, by the thickness uniform application of design requirement at inner-walls of duct, generally, is coated with Smearing thickness is 5-30mm, according to smearing thickness, toasts (the highest baking temperature 320 DEG C) through 2-24h, treats that moisture is completely exhausted out, shape Can come into operation after becoming intensity.
It is an advantage of the current invention that this coating has the most wear-resisting and flushing resistance, it is adaptable to factory's hot air duct Liner smear.Superior heat-insulating property and volume stability decrease the thermal loss of hot air duct, good suspension Smearing when being more conducive to construction, enables material to be preferably attached to surface of constructing.Coating easy construction the most of the present invention, Maintenance period is short, and its insulation and anti-wear performance have been satisfied by producing needs, and comprehensive cost performance is high, extends the use of pipeline In the life-span, save production cost.The excellent fire-proof and thermal-insulation effect that this coating is had simultaneously, it is also possible to apply it to one The outer surface of a little fire protection pipelines processes.
Concrete, coating of the present invention uses useless electroceramics as main skeleton raw material, utilizes its good compactness, anti-wear performance Good feature, re-uses the high epoxy resin of bond strength and is fully bonded by various materials, and the entirety substantially increasing material is resistance to Mill performance；The present invention is compound simultaneously adds the insulation materials such as floating bead, nano-hollow ceramic fine bead, expanded vermiculite, makes coating Have more preferable heat-insulating property and volume stability after construction, the high temperature air more than 1000 DEG C can be resisted and wash away, simultaneously Also good fire-proof and thermal-insulation effect can be played；And it is combined Guangxi white clay, alumina powder, silicon powder and the carboxymethyl cellulose added Coating can be made to keep good suspension and caking property, be conducive to smearing during construction, enable material to be preferably attached to execute The Worker's Stadium surface.
Detailed description of the invention
Below by specific embodiment, the present invention is described in detail.
Design inner liner in the hot air duct (diameter 2m) being passed through 1000 DEG C of high temperature hot gas, the weight portion of its each raw material is joined Than being:
The floating bead of granularity 0.1 ~ 1mm 12 parts,
The nano-hollow ceramic fine bead of granularity 0.2 ~ 0.8mm 18 parts,
The useless electroceramics granule 28 parts of granularity 0.2 ~ 0.5mm,
The expanded vermiculite of 30 ~ 70 mesh 16 parts,
The Guangxi white clay of 200 ~ 320 mesh 11 parts,
Active oxidation aluminium powder 3 parts,
The silicon powder of granularity 1 μm 2 parts,
Carboxymethyl cellulose 1.2 parts,
Epoxy resin 8 parts.
0.8 part of T series firming agent.
Wherein, useless electroceramics is high-strength electroceramics waste material, Al2O3>=25, after recovery, cleaning surface residual debris is broken into required Granularity；Expanded vermiculite is expandable to 10-15 times after 800 DEG C of high temperature, the proportion 0.13 ~ 0.18g/cm3 after expansion；Floating bead is wanted Seek Al2O3Content 28 ~ 43%, bulk density≤0.4g/cm3。
After above-mentioned material precise, epoxy resin is individually deposited, and other raw materials are put in massing machine and stirred Mixing mixing, within 15 minutes, complete stirring, metering pack, sealing is deposited.
When site operation uses, weigh compound by blender capacity, siccative is premixed 2-3 minute, add the most in proportion Entering epoxy resin to stir, be contained in container, uniform application is on inner-walls of duct, and smearing thickness is 20mm, smears complete After, toast through 12h, the highest be baked to 220 DEG C, can come into operation after forming intensity.
After tested, its physical and chemical index is as follows for coating after process:
。
By the Data Comparison of upper table it can be seen that compared with conventional pipe lining layer, although the baking of the present invention is strong Spend less than Typical spray material, but its 600 DEG C, 800 DEG C, the anti-folding of 1100 DEG C and compressive resistance are superior to Typical spray material, Under 400 DEG C of hot air duct to 1000 DEG C working environment, the relatively conventional spray paint material of the intensity under its operating temperature has greater advantage；Material The bulk density of material global design is also significantly less than conventional inner lining material, serves good thermal and insulating performance, reduces pipe The thermal losses in road, decreases energy loss, beneficially the energy-saving and emission-reduction of enterprise.The data above explanation present invention has fully taken into account material The insulation of material and anti-wear performance, using effect is excellent.

Claims (3)

1. the wear-resisting coating of pipe insulation, it is characterised in that: it is by raw material floating bead, nano-hollow ceramic fine bead, useless electroceramics Granule, expanded vermiculite, Guangxi white clay, active oxidation aluminium powder, silicon powder, carboxymethyl cellulose, epoxy resin, T series firming agent, The explosion-proof fiber of polypropylene is formulated by following weight:
The floating bead of granularity 0.1 ~ 1mm 10 ~ 30 parts,
The nano-hollow ceramic fine bead of granularity 0.2 ~ 0.8mm 15 ~ 20 parts,
The useless electroceramics granule 20 ~ 50 parts of granularity 0.2 ~ 0.5mm,
The expanded vermiculite of 30 ~ 70 mesh 5 ~ 10 parts,
The Guangxi white clay of 200 ~ 320 mesh 10 ~ 18 parts,
Active oxidation aluminium powder 1 ~ 3 part,
The silicon powder of granularity 1 μm 1 ~ 3 part,
Carboxymethyl cellulose 0.5 ~ 2 part,
Epoxy resin 3 ~ 13 parts,
0.2 ~ 0.8 part of T series firming agent,
The explosion-proof fiber of polypropylene 0.03 ~ 0.06 part.
The wear-resisting coating of pipe insulation the most according to claim 1, it is characterised in that: the weight of described raw material For:
The floating bead of granularity 0.1 ~ 1mm 12 parts,
The nano-hollow ceramic fine bead of granularity 0.2 ~ 0.8mm 18 parts,
The useless electroceramics granule 28 parts of granularity 0.2 ~ 0.5mm,
The expanded vermiculite of 30 ~ 70 mesh 16 parts,
The Guangxi white clay of 200 ~ 320 mesh 11 parts,
Active oxidation aluminium powder 3 parts,
The silicon powder of granularity 1 μm 2 parts,
Carboxymethyl cellulose 1.2 parts,
Epoxy resin 8 parts,
0.8 part of T series firming agent,
The explosion-proof fiber of polypropylene 0.05 part.
The wear-resisting coating of pipe insulation the most according to claim 1 and 2, it is characterised in that: described useless electroceramics is high forceful electric power Porcelain waste material, wherein Al2O3≥25；Described expanded vermiculite is expanded to 10-15 times after 800 DEG C of high temperature, the proportion 0.13 after expansion ~0.18g/cm3；Al in described floating bead2O3Content is 28 ~ 43%, bulk density≤0.4g/cm3。
CN201610688216.0A 2016-08-19 2016-08-19 The wear-resisting coating of pipe insulation Active CN106316425B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110963811A (en) * 2019-12-31 2020-04-07 山东耀华特耐科技有限公司 Cement-free spray paint
CN112960986A (en) * 2021-03-09 2021-06-15 宜兴瑞泰耐火材料有限公司 Heat-preservation coating material for propane dehydrogenation device and preparation method thereof
CN115710116A (en) * 2022-12-15 2023-02-24 河南宏兴炉料有限公司 Method for manufacturing heat-insulation coating

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101723639A (en) * 2008-10-31 2010-06-09 何林道 Novel heat-insulation dry powder mortar
KR100992888B1 (en) * 2010-04-16 2010-11-09 (주)유성테크 Environmental fire resistant spray coating composition
CN105130475A (en) * 2015-09-28 2015-12-09 郑州市瑞沃耐火材料有限公司 Low-temperature solidification spray coating and construction method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101723639A (en) * 2008-10-31 2010-06-09 何林道 Novel heat-insulation dry powder mortar
KR100992888B1 (en) * 2010-04-16 2010-11-09 (주)유성테크 Environmental fire resistant spray coating composition
CN105130475A (en) * 2015-09-28 2015-12-09 郑州市瑞沃耐火材料有限公司 Low-temperature solidification spray coating and construction method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110963811A (en) * 2019-12-31 2020-04-07 山东耀华特耐科技有限公司 Cement-free spray paint
CN112960986A (en) * 2021-03-09 2021-06-15 宜兴瑞泰耐火材料有限公司 Heat-preservation coating material for propane dehydrogenation device and preparation method thereof
CN115710116A (en) * 2022-12-15 2023-02-24 河南宏兴炉料有限公司 Method for manufacturing heat-insulation coating

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Address after: 450041 No. 42, Jinping Road, Shangjie District, Zhengzhou City, Henan Province

Patentee after: Zhengzhou Ruiwo New Material Co.,Ltd.

Address before: 450041 north section of Xiushan Road, Shangjie District, Zhengzhou City, Henan Province

Patentee before: REWELL REFRACTORY (ZHENGZHOU) Co.,Ltd.