CN103085411B - Composite material pipeline as well as preparation method and application thereof - Google Patents
Composite material pipeline as well as preparation method and application thereof Download PDFInfo
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- CN103085411B CN103085411B CN201310028075.6A CN201310028075A CN103085411B CN 103085411 B CN103085411 B CN 103085411B CN 201310028075 A CN201310028075 A CN 201310028075A CN 103085411 B CN103085411 B CN 103085411B
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- 239000002131 composite material Substances 0.000 title claims abstract description 71
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000011521 glass Substances 0.000 claims abstract description 79
- 239000004744 fabric Substances 0.000 claims abstract description 67
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 64
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 64
- 239000003822 epoxy resin Substances 0.000 claims abstract description 62
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 62
- 239000000463 material Substances 0.000 claims abstract description 45
- 238000005260 corrosion Methods 0.000 claims abstract description 42
- 238000005520 cutting process Methods 0.000 claims abstract description 28
- 229920000728 polyester Polymers 0.000 claims abstract description 14
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 230000002787 reinforcement Effects 0.000 claims description 28
- 229920006387 Vinylite Polymers 0.000 claims description 26
- 239000000047 product Substances 0.000 claims description 23
- 239000011152 fibreglass Substances 0.000 claims description 22
- 239000007921 spray Substances 0.000 claims description 21
- 239000004927 clay Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 8
- 229920006267 polyester film Polymers 0.000 claims description 8
- 239000012188 paraffin wax Substances 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- -1 shortly cuts felt Substances 0.000 claims description 6
- 239000012467 final product Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- 230000002269 spontaneous effect Effects 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 abstract description 4
- 239000011347 resin Substances 0.000 abstract description 4
- 206010022000 influenza Diseases 0.000 abstract 1
- 239000004570 mortar (masonry) Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 101
- 230000006872 improvement Effects 0.000 description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 10
- 239000003546 flue gas Substances 0.000 description 10
- 230000007797 corrosion Effects 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 6
- 238000000227 grinding Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 244000137852 Petrea volubilis Species 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
The invention discloses a composite material pipeline as well as a preparation method and an application thereof. Paving layers comprise following layers from inside to outside: an inner surface anti-corrosion and temperature-resisting layer, an inner anti-corrosion and temperature-resisting layer, an inner anti-corrosion layer, an inner structure layer, an outer structure layer, an outer anti-corrosion layer and an outer surface anti-corrosion and temperature-resisting layer, wherein the inner surface anti-corrosion and temperature-resisting layer takes vinyl epoxy resin mortar as a base material; the inner anti-corrosion and temperature-resisting layer takes vinyl epoxy resin and a polyester surface felt as base materials; the inner anti-corrosion layer takes the vinyl epoxy resin, a short-cutting felt and glass cloth as base materials; the inner structure layer takes vinyl resin, glass fiber rough yarns, another glass cloth, another short-cutting felt and spraying yarns as base materials; the outer structure layer takes another vinyl resin, another glass cloth, another short-cutting felt and another glass fiber rough yarns as base materials; the outer anti-corrosion layer takes the vinyl epoxy resin, the short-cutting felt and the glass cloth as base materials; and the outer surface anti-corrosion and temperature-resisting layer takes another vinyl epoxy resin, another short-cutting felt and a composite felt as base materials. The invention further relates to a preparation method of the composite material pipeline and an application of the composite material pipeline to flues and chimneys.
Description
Technical field
The present invention relates to the preparation method of a kind of composite material conduit and this composite material conduit and the application of this composite material conduit.
Background technology
The shortcoming of tradition chimney: 1, adopt carbon steel and glass block, corrosion-inhibiting coating and titanium alloy etc materials to produce, the performances such as cost is high, corrosion-resistant are lower; 2, produce and installation period long, need maintenance shut-downs, maintenance and use cost high; 3, home made materials stability is low, adopts imported material in a large number, transport and install and maintenance period long, cost is high; 4, life of product is low, and cost performance is extremely low.
Summary of the invention
In view of this, be necessary to provide a kind of and be applicable to the composite material conduit of discharge of wet flue gas after flue gas desulfurization and the application of the preparation method of this composite material conduit and this composite material conduit.
The present invention is achieved in that a kind of composite material conduit, and its laying comprises following level from inside to outside:
(1) the anticorrosion heat-resistant layer of inner surface, it adopts vinyl epoxy resin clay as base material;
(2) anticorrosion heat-resistant layer in, it adopts vinyl epoxy resin and surface of polyester felt as base material;
(3) interior anticorrosive coat, it adopts vinyl epoxy resin, short felt and the glass cloth cut as base material;
(4) inner structure layer, its adopt vinylite, fibre glass roving, glass cloth, short cut felt and spray yarn as base material;
(5) external structure layer, it adopts vinylite, glass cloth, short felt and the fibre glass roving cut as base material;
(6) external anti-corrosion layer, it adopts vinyl epoxy resin, short felt, the glass cloth cut as base material;
(7) outside surface anticorrosion heat-resistant layer, it adopts vinyl epoxy resin, short felt and the composite felt of cutting as base material.
As the further improvement of such scheme, the thickness of the anticorrosion heat-resistant layer of this inner surface is for being not less than 0.5mm.The thickness of this interior anticorrosion heat-resistant layer is 1.5-1.6mm, and this interior anticorrosion heat-resistant layer from-inner-to-outer comprises one deck vinyl epoxy resin, one deck surface of polyester felt successively and two-layerly shortly cuts felt.
As the further improvement of such scheme, the thickness of this interior anticorrosive coat is 2mm, and this interior anticorrosive coat from-inner-to-outer comprises that one deck vinyl epoxy resin, one deck are short cuts that felt, one deck glass cloth, one deck shortly cut felt, one deck glass cloth, one deck is short cuts felt successively.
As the further improvement of such scheme, this inner structure layer from-inner-to-outer comprises that one deck vinylite, one deck are short cuts that felt, layer of glass rove, one deck shortly cut felt, one deck glass cloth, one deck sprays yarn, one deck is short cuts felt successively, the thickness of this inner structure layer provides can according to being wound around fibre glass roving, short number of occurrence change of cutting felt, glass cloth successively, and the winding of this inner structure layer is complete must cut felt using short or spray yarn as ending.
As the further improvement of such scheme, the thickness of this external structure layer is 20% of this inner structure layer thickness.The thickness of this external anti-corrosion layer is 1.5mm, and this external anti-corrosion layer from-inner-to-outer comprises that one deck vinyl epoxy resin, one deck are short cuts that felt, one deck glass cloth, one deck shortly cut felt, one deck glass cloth, one deck is short cuts felt successively.This outside surface anticorrosion heat-resistant layer from-inner-to-outer comprises that one deck vinyl epoxy resin, one deck shortly cut felt, one deck composite felt, one deck glass cloth, one deck is short cuts felt successively.
As the further improvement of such scheme, the outer surface of this composite material conduit is provided with some reinforcements, this some reinforcement distributes along the axial direction uniform intervals of this composite material conduit, and this outside surface anticorrosion heat-resistant layer is also layed on each reinforcement.
The present invention also provides a kind of preparation method of above-mentioned composite material conduit, and it comprises the following steps:
Mould is wrapped with polyester film, 10% overlap joint, and rotates mould;
Inner surface high-temperature resistant anti-corrosive layer: spread upon uniformly on mould by the vinyl epoxy resin clay configured, needs 100% smear and make clay thickness reach 0.5mm or more, waits for that clay solidifies completely;
In anticorrosion heat-resistant layer: on completely crued clay, spray the vinylite that one deck configures, be wrapped with one deck surface of polyester felt and two-layerly shortly cut felt, making this interior anticorrosion heat-resistant layer thickness reach 1.5-1.6mm, treat that it solidifies completely;
Interior anticorrosive coat: in the completely crued situation in upper strata, spray the vinyl epoxy resin that one deck has been prepared, is then wound around successively and shortly cuts felt, glass cloth, shortly cuts felt, glass cloth, shortly cuts felt, make this interior anticorrosive coat thickness reach 2mm, treat that it solidifies completely;
Inner structure layer: the vinylite spraying preparation on interior anticorrosive coat, be wound around that one deck is short cuts felt, then be wound around fibre glass roving successively, shortly cut felt, glass cloth, injection yarn, shortly cut felt, the thickness of this inner structure layer needs can change according to actual conditions, the thickness of this inner structure layer provides can according to being wound around fibre glass roving, short number of occurrence change of cutting felt, glass cloth successively, the winding of this inner structure layer is complete must cut felt using short or spray yarn as ending, treats that it solidifies completely;
External structure layer: its thickness is 20% of inner structure layer, the laying method of this external structure layer is identical with the laying method of this inner structure layer, treats that it solidifies completely;
External anti-corrosion layer: after structure sheaf solidifies completely outside, spraying last layer vinyl epoxy resin, and according to following program laying: shortly cut felt, glass cloth, shortly cut felt, glass cloth, shortly cut felt, make the thickness of this external anti-corrosion layer reach 1.5mm, treat that it solidifies completely;
Outside surface anticorrosion heat-resistant layer: adopt vinyl epoxy resin the external anti-corrosion layer of completion of cure to be sprayed one time, by following program laying: shortly cut felt, composite felt, glass cloth, shortly cut felt.
As the further improvement of such scheme, when preparing outside surface anticorrosion heat-resistant layer, polyester film can be used to be covered completely by composite material conduit or adopt vinylite: the weight part ratio of paraffin solution=100:15 modulation vinylite paraffin solution, and be sprayed on composite material conduit and get final product spontaneous curing.
As the further improvement of such scheme, this preparation method is further comprising the steps of: reinforcement: the axial direction uniform intervals along this composite material conduit distributes some reinforcements, reinforcement adopts polyurethane foam by trapezoidal cutting and is compounded on the surface of composite material conduit, or adopts mould production to meet the fibre glass product manufacture of composite material conduit outer surface completely as reinforcement.
The present invention also provides the application of a kind of composite material conduit in flue, chimney.Wherein, the laying of this composite material conduit comprises following level from inside to outside: the anticorrosion heat-resistant layer of (1) inner surface, and it adopts vinyl epoxy resin clay as base material; (2) anticorrosion heat-resistant layer in, it adopts vinyl epoxy resin and surface of polyester felt as base material; (3) interior anticorrosive coat, it adopts vinyl epoxy resin, short felt and the glass cloth cut as base material; (4) inner structure layer, its adopt vinylite, fibre glass roving, glass cloth, short cut felt and spray yarn as base material; (5) external structure layer, it adopts vinylite, glass cloth, short felt and the fibre glass roving cut as base material; (6) external anti-corrosion layer, it adopts vinyl epoxy resin, short felt, the glass cloth cut as base material; (7) outside surface anticorrosion heat-resistant layer, it adopts vinyl epoxy resin, short felt and the composite felt of cutting as base material.
As the further improvement of such scheme, the thickness of the anticorrosion heat-resistant layer of this inner surface is for being not less than 0.5mm.The thickness of this interior anticorrosion heat-resistant layer is 1.5-1.6mm, and this interior anticorrosion heat-resistant layer from-inner-to-outer comprises one deck vinyl epoxy resin, one deck surface of polyester felt successively and two-layerly shortly cuts felt.
As the further improvement of such scheme, the thickness of this interior anticorrosive coat is 2mm, and this interior anticorrosive coat from-inner-to-outer comprises that one deck vinyl epoxy resin, one deck are short cuts that felt, one deck glass cloth, one deck shortly cut felt, one deck glass cloth, one deck is short cuts felt successively.
As the further improvement of such scheme, this inner structure layer from-inner-to-outer comprises that one deck vinylite, one deck are short cuts that felt, layer of glass rove, one deck shortly cut felt, one deck glass cloth, one deck sprays yarn, one deck is short cuts felt successively, the thickness of this inner structure layer provides can according to being wound around fibre glass roving, short number of occurrence change of cutting felt, glass cloth successively, and the winding of this inner structure layer is complete must cut felt using short or spray yarn as ending.
As the further improvement of such scheme, the thickness of this external structure layer is 20% of this inner structure layer thickness.The thickness of this external anti-corrosion layer is 1.5mm, this external anti-corrosion layer from-inner-to-outer comprises that one deck vinyl epoxy resin, one deck are short cuts that felt, one deck glass cloth, one deck shortly cut felt, one deck glass cloth, one deck is short cuts felt successively, wherein, the short short felt-type of cutting of cutting felt and intermediate layer of outermost one deck is number different.This outside surface anticorrosion heat-resistant layer from-inner-to-outer comprises that one deck vinyl epoxy resin, one deck shortly cut felt, one deck composite felt, one deck glass cloth, one deck is short cuts felt successively.
As the further improvement of such scheme, the outer surface of this composite material conduit is provided with some reinforcements, this some reinforcement distributes along the axial direction uniform intervals of this composite material conduit, and this outside surface anticorrosion heat-resistant layer is also layed on each reinforcement.
Compared with prior art, traditional composite material tube (being applied to flue or chimney) be operated in less than 100 degrees Celsius, and the operating temperature of composite material conduit of the present invention (being applied to flue or chimney) reaches 160 degrees Celsius, short-term tolerance temperature reaches 400 degrees Celsius (2 hours), 260 degrees Celsius (4 hours), for flue gas desulphurization system once occur that temperature causes high-temperature flue gas directly to achieve buffer time by composite material conduit discharge; But composite can not tolerate long high temperature after all, in use must monitor the flue-gas temperature by flue Hu or chimney at any time, avoid the situation occurring long-time high temperature, reduce the service life of composite flue or chimney; Composite material chimney of the present invention has high strength highly corrosion resistant, and generally service life is more than 30 years.
Accompanying drawing explanation
The partial schematic diagram of the composite material conduit that Fig. 1 provides for better embodiment of the present invention, it is for the ease of introducing the level displaying of strip off from outside to inside one by one.
Primary symbols illustrates: the anticorrosion heat-resistant layer of inner surface 1, interior anticorrosion heat-resistant layer 2, interior anticorrosive coat 3, inner structure layer 4, external structure layer 5, external anti-corrosion layer 6, outside surface anticorrosion heat-resistant layer 7, reinforcement 8.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, the partial schematic diagram of its composite material conduit provided for better embodiment of the present invention, it is for the ease of introducing the level displaying of strip off from outside to inside one by one, and its laying comprises following level from inside to outside.
(1) the anticorrosion heat-resistant layer 1 of inner surface, it adopts vinyl epoxy resin clay as base material, and the thickness of the anticorrosion heat-resistant layer 1 of this inner surface is for being not less than 0.5mm.
(2) anticorrosion heat-resistant layer 2 in, it adopts vinyl epoxy resin and surface of polyester felt as base material, the thickness of this interior anticorrosion heat-resistant layer 2 is 1.5-1.6mm, and this interior anticorrosion heat-resistant layer 2 from-inner-to-outer comprises one deck vinyl epoxy resin, one deck surface of polyester felt successively and two-layerly shortly cuts felt.
(3) interior anticorrosive coat 3, it adopts vinyl epoxy resin, short felt and the glass cloth cut as base material, the thickness of this interior anticorrosive coat 3 is 2mm, and this interior anticorrosive coat 3 from-inner-to-outer comprises that one deck vinyl epoxy resin, one deck 300 are short cuts that felt, one deck 04 glass cloth, one deck 450 shortly cut felt, one deck 04 glass cloth, one deck 300 is short cuts felt successively.
(4) inner structure layer 4, it adopts vinylite, fibre glass roving, glass cloth, shortly cuts felt and spray yarn as base material, and this inner structure layer 4 from-inner-to-outer comprises that one deck vinylite, one deck 300 are short cuts that felt, layer of glass rove, one deck 300 shortly cut felt, one deck 04 glass cloth, one deck sprays yarn, one deck 450 is short cuts felt successively.
(5) external structure layer 5, it adopts vinylite, glass cloth, short felt and the fibre glass roving cut as base material, and the thickness of this external structure layer 5 is 20% of this inner structure layer thickness.
(6) external anti-corrosion layer 6, it adopts vinyl epoxy resin, short felt, the glass cloth cut as base material, the thickness of this external anti-corrosion layer 6 is 1.5mm, this external anti-corrosion layer 6 from-inner-to-outer comprises that one deck vinyl epoxy resin, one deck 300 are short cuts that felt, one deck 04 glass cloth, one deck 450 or 300 shortly cut felt, one deck 04 glass cloth, one deck 300 or 450 is short cuts felt successively, wherein, the short short felt-type of cutting of cutting felt and intermediate layer of outermost one deck is number different.
(7) outside surface anticorrosion heat-resistant layer 7, it adopts vinyl epoxy resin, short felt and the composite felt of cutting as base material, and this outside surface anticorrosion heat-resistant layer 7 from-inner-to-outer comprises that one deck vinyl epoxy resin, one deck 300 shortly cut felt, one deck 150G composite felt, one deck 04 glass cloth, one deck 300 is short cuts felt successively.
The outer surface of this composite material conduit also can be provided with some reinforcements 8, and this some reinforcement 8 distributes along the axial direction uniform intervals of this composite material conduit, and this outside surface anticorrosion heat-resistant layer 7 is also layed on each reinforcement 8.
Subsequent, the preparation of the present invention to composite material conduit is described in detail.
1, production equipment
Large-scale special winding equipment 1; Ingot stripper 1; Cone grinding machine 1; 1, fiber jet device; 1, resin premixed mixer; Air pump 1.
2, raw material
High-temperature-resistant and anti-corrosion vinyl epoxy resin clay; High temperature resistant vinyl epoxy resin; Vinyl epoxy resin; Fire retardant antimony oxide 300 order; Abrasive material Brown Alundum 300 order (pickling); Curing agent MEKP; Promoter cobalt iso-octoate; Fibre glass roving 2400TEX; Glass fiber injection yarn; Shortly cut felt 300; Shortly cut felt 450; 04 glass cloth; Composite felt 150G; Surface of polyester felt; Polyester film; Paraffin solution.
3, the simple introduction of production technology and flow process
3.1 have difference due to flue and Diameter of chimney, the flue of different-diameter and chimney are due to its different stressed and service condition, need the laying of design composite separately, from mechanics, the design of each flue and chimney has difference, all should domestic standard be met, domestic there is no a respective standard should meet international standard.
3.2 from the principle of Lay up design, owing to relating to high-temperature gas and corrosive liquids and gas, from a structural point, the laying of generally falling flue and chimney be designed to from inside to outside following which floor.
3.2.1 inner surface high-temperature resistant anti-corrosive layer (i.e. the anticorrosion heat-resistant layer 1 of inner surface), needing can resistance to TRANSIENT HIGH TEMPERATURE less than 400 degrees Celsius 2 hours, less than 260 degrees Celsius 4 hours, the vinyl epoxy resin clay of employing corrosion-and high-temp-resistant is as the base material of interior surface layers.
3.2.2 anticorrosion heat-resistant layer 2 in, the anticorrosion vinyl epoxy resin of heatproof of employing heatproof 200 degrees centigrade and corrosion resistant surface of polyester felt are as base material.
3.2.3 interior anticorrosive coat 3, adopts vinyl epoxy resin and short felt and 04 glass cloth cut as base material.
3.2.4 main structural (i.e. inner structure layer 4), adopts vinylite and fibre glass roving, 04 glass cloth, shortly cuts felt, sprays yarn as base material.
3.2.5 external structure layer 5, adopts vinylite, 04 glass cloth, short felt and the fibre glass roving cut as base material;
3.2.6 external anti-corrosion layer 6, adopts heatproof vinyl epoxy resin, short felt, 04 glass cloth cut as base material.
3.2.7 outer surface layer (i.e. outside surface anticorrosion heat-resistant layer 7), adopts corrosion-resistant and high-temperature resistant to have the vinyl epoxy resin of fire retardancy and short felt, the composite felt of cutting as base material.
4, the detailed introduction of production technology, flow process
4.1 are wrapped with polyester film on mould, 10% overlap joint; And rotate mould.
4.2 inner surface high-temperature resistant anti-corrosive layers (i.e. the anticorrosion heat-resistant layer 1 of inner surface): the vinyl epoxy resin clay of the corrosion-and high-temp-resistant configured is spread upon on mould uniformly, need 100% smear and make clay thickness reach 0.5mm or more, wait for that clay solidifies completely.
Anticorrosion heat-resistant layer 2 in 4.3: the vinylite spraying the heat-proof corrosion resistant erosion that one deck configures on completely crued clay; Be wrapped with 1 layer of surface of polyester felt and 2 layer 300 short cut felt, make this layer thickness reach 1.5-1.6mm, after it solidifies completely, with sand paper or angle grinding machine, the burr after solidification removed.
Anticorrosive coat 3 in 4.4: in the completely crued situation in upper strata, sprays the anticorrosion vinyl epoxy resin that one deck has been prepared, and is then wound around the short felt 300-04 glass cloth-short cut and cuts felt 450-04 glass cloth-short and cut felt 300, make interior anticorrosive coat thickness reach 2mm; After it solidifies completely, remove surface spikes.
4.5 main structural: the vinyl epoxy resin spraying preparation on interior anticorrosive coat, be wound around 1 layer 300 short and cut felt, then be wound around the short felt 300-04 glass cloth-injection yarn-short cut of fibre glass roving-be then wound around and cut felt 450, because structure sheaf mainly provides pipeline and chimney structure intensity, the thickness of structure sheaf needs to change according to actual conditions, can be provided by owner or provide according to finite element analysis; Thering is provided of Laminate construction thickness can be wound around acquisition as required repeatedly according to above-mentioned laying, and structure sheaf winding is complete must cut felt using short or spray yarn as ending; After it solidifies completely, remove burr and wait for next step.
4.6 external structure layers 5: this layer mainly provides necessary guarantee for main structural, and its thickness is 20% of main structural; Laying method is identical with main structural; Burr is removed for subsequent use after it solidifies completely.
4.7 external anti-corrosion layers 6: after structure sheaf solidifies removal burr completely outside, grace is coated with the vinylite of the anticorrosion heatproof of last layer, and according to following program laying: felt 450(300 cut by the short felt 300-04 glass cloth-short cut)-04 glass cloth-short cuts felt 300(450), make its thickness reach 1.5mm; Band completely solidification rear removal burr is for subsequent use.
4.8 reinforcements 8: 8 meters of needs design reinforcements of being generally often separated by, reinforcement can adopt polyurethane foam by trapezoidal cutting and be compounded on product surface, also mould production can be adopted to meet the fibre glass product manufacture of product external surfaces completely as reinforcement, and product surface should be polished the bar shaped of at least 300mm by reinforcement before being fixed on product surface; Then adopt short felt 300-04 glass cloth-short laying of cutting felt 300-04 glass cloth of cutting to lay more than 3 times, every layer all needs upper strata to cover completely, carries out removing burring machine and carry out further work after band reinforcement solidifies completely.
4.9 outer surface layers (i.e. outside surface anticorrosion heat-resistant layer 7): adopt the vinyl epoxy resin of flame retardant type heat-resisting and anticorrosive the external anti-corrosion layer of completion of cure to be sprayed one time, by following program laying: felt 300 cut by the short felt 300-composite felt 150G-04 glass cloth-short cut.Polyester film can be used after completing to be covered completely by product or adopt vinylite: the ratio of paraffin solution=100:15 modulation vinylite paraffin solution, and be sprayed on product and get final product spontaneous curing.In the resistant to elevated temperatures situation of needs, the general polyester film that adopts covers.
5, the demoulding and finishing
The demoulding is carried out after product solidifies completely; Use hydraulic ingot stripper to withstand product reinforcement and get final product the demoulding.If connected in product needed program afterwards, before the demoulding, grinding process must be carried out in product two ends, grinding needs to carry out tapering grinding.
6, the connection of product and installation
Composite material conduit can be applicable in the Related product such as flue and chimney, product needs to use elbow and threeway etc. in an installation, needing bonding after product cutting to become elbow or threeway, cut according to intersecting lens suit also can simulate in a computer obtain corresponding data after suit or adopt corresponding frock to cut; By needing the two ends of bonding to press tapering polishing 300mm after cutting, adopting the laying method identical with laying in production, after cutting into corresponding size by identical raw material, solidifying by same process step laying, spray yarn and 300 short felts of cutting can be used to replace.
The installation of product, after product component is lifted into relevant position by use crane, coupling part bonds by the method connection of A, processes too at product inner surface, uses clay clog and solidify at seam crossing.
7, the maintenance of product
Composite flue or chimney can not bear high temperature for a long time, therefore the discharge of the wet flue gas after flue gas desulfurization is in use generally only applicable to, general composite flue or chimney be operated in less than 100 degrees Celsius, adopt novel process that the operating temperature of composite flue or chimney can be made to reach 160 degrees Celsius, short-term tolerance temperature reaches 400 degrees Celsius (2 hours), 260 degrees Celsius (4 hours), for flue gas desulphurization system once occur that temperature causes high-temperature flue gas directly to achieve buffer time by composite flue or smoke stack emission; But composite can not tolerate long high temperature after all, in use must monitor the flue-gas temperature by flue Hu or chimney at any time, avoid the situation occurring long-time high temperature, reduce the service life of composite flue or chimney.
The advantage of composite material chimney of the present invention is as follows:
1, Anti-corrosion glass fiber and corrosion-resistant vinyl epoxy resin laminating production is adopted, and field fabrication, moderate cost; Corrosion resistance is excellent;
2, product weight is lower, transport and installation cost lower;
3, the larger stability of composite material strength is high;
4, life of product can reach more than 20 years, and cost performance is high;
5 is easy to maintenance, produce and install and maintenance period shorter, cost is low;
6 adopt advanced resin and technique, have certain resistance to TRANSIENT HIGH TEMPERATURE and short time high temperature ability.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a composite material conduit, is characterized in that, its laying comprises following level from inside to outside:
(1) the anticorrosion heat-resistant layer of inner surface, it adopts vinyl epoxy resin clay as base material;
(2) anticorrosion heat-resistant layer in, it adopts vinyl epoxy resin and surface of polyester felt as base material;
(3) interior anticorrosive coat, it adopts vinyl epoxy resin, short felt and the glass cloth cut as base material;
(4) inner structure layer, its adopt vinylite, fibre glass roving, glass cloth, short cut felt and spray yarn as base material;
(5) external structure layer, it adopts vinylite, glass cloth, short felt and the fibre glass roving cut as base material;
(6) external anti-corrosion layer, it adopts vinyl epoxy resin, short felt, the glass cloth cut as base material; And
(7) outside surface anticorrosion heat-resistant layer, it adopts vinyl epoxy resin, short felt and the composite felt of cutting as base material;
The thickness of the anticorrosion heat-resistant layer of this inner surface is for being not less than 0.5mm, and the thickness of this interior anticorrosion heat-resistant layer is 1.5-1.6mm, and this interior anticorrosion heat-resistant layer from-inner-to-outer comprises one deck vinyl epoxy resin, one deck surface of polyester felt successively and two-layerly shortly cuts felt;
The thickness of this interior anticorrosive coat is 2mm, and this interior anticorrosive coat from-inner-to-outer comprises that one deck vinyl epoxy resin, one deck are short cuts that felt, one deck glass cloth, one deck shortly cut felt, one deck glass cloth, one deck is short cuts felt successively;
This inner structure layer from-inner-to-outer comprises that one deck vinylite, one deck are short cuts that felt, layer of glass rove, one deck shortly cut felt, one deck glass cloth, one deck sprays yarn, one deck is short cuts felt successively, the thickness of this inner structure layer provides can according to being wound around fibre glass roving, short number of occurrence change of cutting felt, glass cloth successively, and the winding of this inner structure layer is complete must cut felt using short or spray yarn as ending;
The thickness of this external structure layer is 20% of this inner structure layer thickness, the thickness of this external anti-corrosion layer is 1.5mm, this external anti-corrosion layer from-inner-to-outer comprises that one deck vinyl epoxy resin, one deck are short cuts that felt, one deck glass cloth, one deck shortly cut felt, one deck glass cloth, one deck is short cuts felt successively, and this outside surface anticorrosion heat-resistant layer from-inner-to-outer comprises that one deck vinyl epoxy resin, one deck shortly cut felt, one deck composite felt, one deck glass cloth, one deck is short cuts felt successively;
The outer surface of this composite material conduit is provided with some reinforcements, and this some reinforcement distributes along the axial direction uniform intervals of this composite material conduit, and this outside surface anticorrosion heat-resistant layer is also layed on each reinforcement.
2. a preparation method for composite material conduit as claimed in claim 1, is characterized in that, it comprises the following steps:
Mould is wrapped with polyester film, 10% overlap joint, and rotates mould;
Inner surface high-temperature resistant anti-corrosive layer: spread upon uniformly on mould by the vinyl epoxy resin clay configured, needs 100% smear and make clay thickness reach 0.5mm or more, waits for that clay solidifies completely;
In anticorrosion heat-resistant layer: on completely crued clay, spray the vinylite that one deck configures, be wrapped with one deck surface of polyester felt and two-layerly shortly cut felt, making this interior anticorrosion heat-resistant layer thickness reach 1.5-1.6mm, treat that it solidifies completely;
Interior anticorrosive coat: in the completely crued situation in upper strata, spray the vinyl epoxy resin that one deck has been prepared, is then wound around successively and shortly cuts felt, glass cloth, shortly cuts felt, glass cloth, shortly cuts felt, make this interior anticorrosive coat thickness reach 2mm, treat that it solidifies completely;
Inner structure layer: the vinylite spraying preparation on interior anticorrosive coat, be wound around that one deck is short cuts felt, then be wound around fibre glass roving successively, shortly cut felt, glass cloth, injection yarn, shortly cut felt, the thickness of this inner structure layer needs can change according to actual conditions, the thickness of this inner structure layer provides can according to being wound around fibre glass roving, short number of occurrence change of cutting felt, glass cloth successively, the winding of this inner structure layer is complete must cut felt using short or spray yarn as ending, treats that it solidifies completely;
External structure layer: its thickness is 20% of inner structure layer, the laying method of this external structure layer is identical with the laying method of this inner structure layer, treats that it solidifies completely;
External anti-corrosion layer: after structure sheaf solidifies completely outside, spraying last layer vinyl epoxy resin, and according to following program laying: shortly cut felt, glass cloth, shortly cut felt, glass cloth, shortly cut felt, make the thickness of this external anti-corrosion layer reach 1.5mm, treat that it solidifies completely;
Outside surface anticorrosion heat-resistant layer: adopt vinyl epoxy resin the external anti-corrosion layer of completion of cure to be sprayed one time, by following program laying: shortly cut felt, composite felt, glass cloth, shortly cut felt.
3. the preparation method of composite material conduit as claimed in claim 2, it is characterized in that: when preparing outside surface anticorrosion heat-resistant layer, polyester film can be used to be covered completely by composite material conduit or adopt vinylite: the weight part ratio of paraffin solution=100:15 modulation vinylite paraffin solution, and be sprayed on composite material conduit and get final product spontaneous curing.
4. the preparation method of composite material conduit as claimed in claim 2, it is characterized in that: this preparation method is further comprising the steps of: reinforcement: the axial direction uniform intervals along this composite material conduit distributes some reinforcements, reinforcement adopts polyurethane foam by trapezoidal cutting and is compounded on the surface of composite material conduit, or adopts mould production to meet the fibre glass product manufacture of composite material conduit outer surface completely as reinforcement.
5. the application of composite material conduit as claimed in claim 1 in flue, chimney.
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| CN103924819B (en) * | 2014-04-03 | 2016-03-30 | 李芝春 | A kind of thermal power plant's Wet chimney of fire retardant, anticorrosive glass fibre reinforced plastic structure |
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| CN107780622A (en) * | 2017-09-22 | 2018-03-09 | 龙正环保股份有限公司 | A kind of anticorrosion of flue duct construction method |
| CN114440051A (en) * | 2020-11-04 | 2022-05-06 | 中国石油化工股份有限公司 | Electrothermal repair method for glass steel tube |
| CN113968030B (en) * | 2021-10-09 | 2024-01-30 | 北玻院(滕州)复合材料有限公司 | Underwater protective cover and preparation method thereof |
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Denomination of invention: A composite material pipeline and its preparation method and application Granted publication date: 20150520 Pledgee: Bank of China Feidong Branch Pledgor: HEFEI HAIYIN TOWER Co.,Ltd. Registration number: Y2024980043246 |