CN109356321A - Anti-corrosion purlin and its preparation process - Google Patents

Anti-corrosion purlin and its preparation process Download PDF

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Publication number
CN109356321A
CN109356321A CN201811020784.9A CN201811020784A CN109356321A CN 109356321 A CN109356321 A CN 109356321A CN 201811020784 A CN201811020784 A CN 201811020784A CN 109356321 A CN109356321 A CN 109356321A
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purlin
flange
main part
corrosion
pedestal
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CN201811020784.9A
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CN109356321B (en
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张益�
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Dangyang Yihong Metal Products Co Ltd
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Dangyang Yihong Metal Products Co Ltd
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/28—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of materials not covered by groups E04C3/04 - E04C3/20
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
    • C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
    • B29C35/041—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/14—Glass
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
    • C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/06—Unsaturated polyesters

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Architecture (AREA)
  • Medicinal Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Composite Materials (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Civil Engineering (AREA)
  • Thermal Sciences (AREA)
  • Laminated Bodies (AREA)
  • Moulding By Coating Moulds (AREA)
  • Road Paving Structures (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The invention discloses a kind of anti-corrosion purlin and its preparation processes, it is trapezoidal main part including cross section, it, which is gone to the bottom, opens wide, and in bottom two sides flange with outward extension, flange and trapezoidal shaped body portion are integrally formed, which further includes pedestal, and both sides of the edge are equipped with the groove for accommodating flange above pedestal, it is connect by main part with base engagement, so that purlin cross section forms closed structure.It is glass steel material, 1 when preparation) resin adhesive liquid is subjected to paving glue, it is then laid with glass fibre in resin adhesive liquid, then curing molding is carried out by mold, respectively obtains main part and pedestal；2) main part of curing molding and pedestal are combined, so that the flange of main part is inserted into groove, encapsulating is then carried out into the gap between flange and groove, then solidified to get purlin is arrived.The purlin unique structure, stability is good, and safety coefficient is high, and antiseptic property is excellent.

Description

Anti-corrosion purlin and its preparation process
Technical field
The invention belongs to anti-corrosion purlin fields, and in particular to a kind of anti-corrosion purlin and its preparation process.
Background technique
Anti-corrosion purlin is with unsaturated polyester resin, and alkali-free glass fibre yarn, processing aid are main raw material(s), utilizes drawing Glass reinforced plastic (FRP) purlin of extrusion forming technique production.Anti-corrosion Design of Purline is reasonable, and raw material are special, and product is made to have steel Intensity, and fundamentally solve the perishable weakness of metal steel.Make with intensity height, anti-corrosive properties are good, and installation effectiveness is high The advantages that permanent with reliability, and it is preferred to become big or middle Industrial Plant mounting material.The particularly suitable building that borders on the sea, steel rolling mill, smelting Industrial building in the high acid and alkali corrosion environment such as refinery, chemical fertilizer factory, Aluminum oxidation workshop, mariculture.
Existing purlin is mostly c-type purlin, and one side opening, stability is poor, and pull rod tie rod is needed to be drawn, and prevents from pacifying It easily slants and causes the accident and later period deformation during dress, and intensity is poor.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of anti-corrosion purlin and its preparation process, the purlin structure is only Spy, stability is good, and safety coefficient is high, and antiseptic property is excellent.
The technical solution adopted by the present invention is that a kind of anti-corrosion purlin, is glass steel material purlin, including cross section is Trapezoidal main part, bottom are opened wide, and in bottom two sides flange with outward extension, flange and trapezoidal shaped body portion one Body formed, which further includes pedestal, and both sides of the edge are equipped with the groove for accommodating flange above pedestal, by main part with Base engagement connection, so that purlin cross section forms closed structure.
Further, sealant is filled between the flange and groove.Increase strength and stability.
Further, the ratio between the upper bottom width of the purlin cross section, purlin base width and the height of purlin is 25-60:50-400:80-400, and main part upper bottom width is less than the width of bottom.
Further, the edge of the pedestal two sides, which is folded upward at, to form bending part, the sky between bending part and pedestal Gap is the groove for accommodating flange.
Further, the height of the groove from two side of pedestal to it is intermediate from large to small.
In preferred scheme, the main part and pedestal of the purlin are glass steel material.Light weight, intensity is high, prevents Corruption is had excellent performance.
Further, the glass steel material is laid with glass fiber filoselle layer, glass using successively layer-by-layer in resin adhesive liquid Glass fiber filament vertical pulling silk layer and scrim layer, resin adhesive liquid then solidified to obtain.
Further, the rotation angle position that the top surface of main part is connect with two sides central plane be equipped with steel wire, two sides central plane with it is convex The rotation angle position of edge connection also is provided with steel wire.
The invention further relates to the techniques for preparing the anti-corrosion purlin, comprising the following steps:
1) resin adhesive liquid is subjected to paving glue, glass fibre is then laid in resin adhesive liquid, then curing molding is carried out by mold, Respectively obtain main part and pedestal；
2) main part of curing molding and pedestal are combined, so that the flange of main part is inserted into groove, then Encapsulating is carried out into the gap between flange and groove, then is solidified to get purlin is arrived.
Further, when being laid with glass fibre in the resin adhesive liquid, glass fiber filoselle layer, glass are successively successively laid with Glass fiber filament vertical pulling silk layer and scrim layer are spread between the glass fiber filament vertical pulling silk layer and scrim layer for needing the position reinforced Equipped with steel wire floor.
The invention has the following advantages:
1, cross section will be used to replace traditional cross section to be the purlin of c-type, c-type purlin lateral stability for trapezoidal purlin Difference needs to prevent from slanting using tie rod and pull rod traction between each other, cross section is used significantly to be promoted for trapezoidal purlin Lateral stability uses cross section for trapezoidal purlin, and longitudinal stability is also very excellent, and worker is upper when being able to bear installation It walks about, and c-type purlin is unable to reach the requirement, in addition, being not necessarily to tie rod and pull rod in purlin installation, saves material, erector Sequence is more simple.
2, purlin is glass steel material, excellent relative to original steel purlin antiseptic property, has excellent corrosion resistance, Being resistant to the corrosion of the various liquid mediums such as different degrees of acid, alkali, organic solvent and salt, Never-rusty, and quality is steel purlin item 1/5, the advantages that longitudinal strength is strong, is easy installation, and good toughness；Also there is good anti-aging property, service life At least 20 years or more；And product is colour-fast in use, and non-corrosive is safeguarded without painting；With excellent electrical isolation Property, without electromagnetically and electric spark, also having may be used at conductive danger, equipment region and inflammable and explosive field to magnetic sensitive Institute.
3, original glass reinforced plastic preparation process mostly uses pultrusion molding process to carry out working system, and speed of production is slow, most fastly For 0.09m/min, and curing molding is carried out by mold in the present invention, can achieve 9m/min, production capacity can be substantially improved, subtract The repetition setting of few growth line, saves production cost, improves working efficiency.
3, in purlin preparation process, the glass fibre of plurality of specifications is set, passes through glass fiber filoselle layer, glass fibre The combination of silk vertical pulling silk layer and glass chopped strand mat layer, wherein filoselle plays filling effect, and vertical pulling silk is longitudinal strong for increasing Degree, grid cloth keep it more balanced, increase bulk strength, reduce self weight, save cost for dispersing stress.
Detailed description of the invention
Fig. 1 is the cross-sectional structure schematic diagram of 1 purlin of embodiment.
Fig. 2 is the cross-sectional structure schematic diagram of 2 purlin of embodiment.
Specific embodiment
The present invention is further illustrated below with reference to embodiment, but the scope of protection of present invention is not limited to implement The range of example statement.
Embodiment 1:
As shown in Figure 1, a kind of purlin, is trapezoidal main part 1 including cross section, bottom is opened wide, and is set in bottom two sides 2 are outward extended flange, flange and trapezoidal shaped body portion are integrally formed, which further includes pedestal 3, two sides above pedestal Edge is equipped with groove 4 for accommodating flange, is connect by main part with base engagement so that purlin cross section formed it is closed Structure.Sealant is filled between its flange and groove.The upper bottom width of purlin cross section, purlin base width and purlin Height is respectively 25cm, 50cm, 80cm, and main part upper bottom width is less than the width of bottom, and purlin length is 3m.The purlin is Glass steel material.And glass steel material is laid with glass fiber filoselle layer, glass fiber using successively layer-by-layer in resin adhesive liquid Vertical pulling silk layer and scrim layer, resin adhesive liquid then solidified to obtain.
Longitudinal (whether referring to the identical direction of height with the trapezoidal cross-section) stress of the anti-corrosion purlin is horizontal up to 400kg or more It can achieve 250kg to (whether referring to the direction parallel with the upper bottom of trapezoidal cross-section) stress,
Use height for the C-type steel purlin of 80cm, length 3m, longitudinal stress is up to 300kg, lateral stressed reachable 100kg.
Embodiment 2:
As shown in Fig. 2, a kind of purlin, is trapezoidal main part 1 including cross section, bottom is opened wide, and is set in bottom two sides 2 are outward extended flange, flange and trapezoidal shaped body portion are integrally formed, which further includes pedestal 3, two sides above pedestal Edge is equipped with groove 4 for accommodating flange, is connect by main part with base engagement so that purlin cross section formed it is closed Structure.Sealant is filled between its flange and groove.The upper bottom width of purlin cross section, purlin base width and purlin Height is respectively the width that 60cm, 400cm, 400cm, length 10m, and main part upper bottom width are less than bottom.The pedestal The edge of two sides is folded upward to form bending part, and the gap between bending part and pedestal is the groove for accommodating flange.It is recessed The height of slot from two side of pedestal to it is intermediate from large to small.
The purlin is glass steel material.And glass steel material is dissipated using glass fiber is successively successively laid in resin adhesive liquid Silk layer, glass fiber vertical pulling silk layer and scrim layer, resin adhesive liquid then solidified to obtain.
The longitudinal stress of the purlin is up to 1500kg or more, lateral stressed reachable 300kg or more.
Embodiment 3:
A kind of purlin is trapezoidal main part including cross section, and bottom is opened wide, and with outward extension in bottom two sides Flange, flange and trapezoidal shaped body portion are integrally formed, which further includes pedestal, and both sides of the edge are equipped with for accommodating above pedestal The groove of flange is connect by main part with base engagement, so that purlin cross section forms closed structure.Its flange with Sealant is filled between groove.The height of the upper bottom width of purlin cross section, purlin base width and purlin be respectively 40cm, 200cm, 200cm, length 6m, and main part upper bottom width are less than the width of bottom.The purlin is glass steel material.And glass Glass steel material is laid with glass fiber filoselle layer, glass fiber vertical pulling silk layer and grid cloth using successively layer-by-layer in resin adhesive liquid Layer, resin adhesive liquid then solidified to obtain.
The longitudinal stress of the purlin is up to 1200kg or more, lateral stressed reachable 300kg or more.
It uses highly as the C-type steel purlin of 200cm, length 6m, longitudinal stress is lateral stressed reachable up to 900kg 150kg。
The preparation method of glass reinforced plastic purlin in above-described embodiment, comprising the following steps:
1) resin adhesive liquid is subjected to paving glue, glass fibre is then laid in resin adhesive liquid, then curing molding is carried out by mold, Respectively obtain main part and pedestal；
2) main part of curing molding and pedestal are combined, so that the flange of main part is inserted into groove, then Encapsulating is carried out into the gap between flange and groove, then is solidified to get purlin is arrived.
When being laid with glass fibre in the resin adhesive liquid, it is successively successively laid with glass fiber filoselle layer, glass fiber Vertical pulling silk layer and scrim layer are equipped with steel wire between the glass fiber filament vertical pulling silk layer and scrim layer for needing the position reinforced Layer.
Wherein resin adhesive liquid and the ratio of glass fibre are 35-65:65-35, the resin adhesive liquid be unsaturated polyester (UP), Epoxy resin or phenolic resin also include curing agent and catalyst in resin adhesive liquid, wherein there is curing agent to account for resin adhesive liquid matter The 0.3-1.2% of amount, catalyst account for 0.2-1.0%, the optional methyl ethyl ketone peroxide of curing agent, the optional cobalt water of catalyst.Solidification process Middle elder generation is in 70-85 DEG C of heating 2min, then in 85 DEG C of heating 1.5min or so, finally in 95 DEG C of heating 1.5min or so.It is anti- Corruption is had excellent performance, can long period of soaking it is not damaged in the strong solution of strong acid or alkali corrosion.
The above embodiments are only the preferred technical solution of the present invention, are not construed as limitation of the invention, such as specific Resin, curing agent, catalyst cured time etc. are not limited to the record in specification, other equivalent replacements within this range And improve, also within protection scope of the present invention.

Claims (10)

  1. It is trapezoidal main part, bottom including cross section 1. a kind of anti-corrosion purlin is the anti-corrosion purlin of glass steel material It opens wide, and is integrally formed in bottom two sides flange with outward extension, flange and trapezoidal shaped body portion, which further includes bottom Seat, pedestal top both sides of the edge are equipped with the groove for accommodating flange, are connect by main part with base engagement, so that purlin Cross section forms closed structure.
  2. 2. anti-corrosion purlin according to claim 1, it is characterised in that: be filled with sealant between the flange and groove.
  3. 3. anti-corrosion purlin according to claim 1, it is characterised in that: the upper bottom width of the purlin cross section, purlin bottom Ratio between seat width and the height of purlin is 25-60:50-400:80-400, and main part upper bottom width is less than bottom Width.
  4. 4. anti-corrosion purlin according to claim 1, it is characterised in that: the edge of the pedestal two sides is folded upward to be formed Bending part, the gap between bending part and pedestal are the groove for accommodating flange.
  5. 5. anti-corrosion purlin according to claim 1, it is characterised in that: the height of the groove from two side of pedestal to centre by Become smaller greatly.
  6. 6. anti-corrosion purlin described in -5 any one according to claim 1, it is characterised in that: the main part of the purlin, bottom Seat is glass steel material.
  7. 7. anti-corrosion purlin according to claim 6, it is characterised in that: the glass steel material uses in resin adhesive liquid successively It is successively laid with glass fiber filoselle layer, glass fiber vertical pulling silk layer and scrim layer, then solidifies resin adhesive liquid It obtains.
  8. 8. anti-corrosion purlin according to claim 6, it is characterised in that: what the top surface of main part was connect with two sides central plane turns Angular position is equipped with steel wire, and the rotation angle position that two sides central plane is connect with flange also is provided with steel wire.
  9. 9. preparing the technique of anti-corrosion purlin described in claim 1-8 any one, which comprises the following steps:
    1) resin adhesive liquid is subjected to paving glue, glass fibre is then laid in resin adhesive liquid, then curing molding is carried out by mold, Respectively obtain main part and pedestal；
    2) main part of curing molding and pedestal are combined, so that the flange of main part is inserted into groove, then Encapsulating is carried out into the gap between flange and groove, then is solidified to get purlin is arrived.
  10. 10. technique according to claim 9, it is characterised in that: in the resin adhesive liquid be laid with glass fibre when, successively according to Secondary laying glass fiber filoselle layer, glass fiber vertical pulling silk layer and scrim layer, to the glass fiber at the position that needs are reinforced Steel wire floor is equipped between silk vertical pulling silk layer and scrim layer.
CN201811020784.9A 2018-06-22 2018-09-03 Anti-corrosion purline and preparation process thereof Active CN109356321B (en)

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CN2018106537066 2018-06-22
CN201810653706 2018-06-22

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CN109356321B CN109356321B (en) 2021-11-23

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CN201821434605.1U Active CN208827181U (en) 2018-06-22 2018-09-03 Improve the device of fibre reinforced composites precision
CN201811021538.5A Active CN108973173B (en) 2018-06-22 2018-09-03 Device and process for improving precision of fiber reinforced composite material
CN201811020784.9A Active CN109356321B (en) 2018-06-22 2018-09-03 Anti-corrosion purline and preparation process thereof
CN201821433674.0U Active CN209053331U (en) 2018-06-22 2018-09-03 Anti-corrosion purlin
CN201811020783.4A Active CN109337322B (en) 2018-06-22 2018-09-03 Cloth rib structure and process of fiber reinforced composite material
CN201821434606.6U Active CN208946802U (en) 2018-06-22 2018-09-03 The cloth muscle structure of fibre reinforced composites

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CN201811020783.4A Active CN109337322B (en) 2018-06-22 2018-09-03 Cloth rib structure and process of fiber reinforced composite material
CN201821434606.6U Active CN208946802U (en) 2018-06-22 2018-09-03 The cloth muscle structure of fibre reinforced composites

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CN208827181U (en) * 2018-06-22 2019-05-07 当阳市益红金属制品有限公司 Improve the device of fibre reinforced composites precision

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