CN101089300A - Method for producing manhole cover - Google Patents
Method for producing manhole cover Download PDFInfo
- Publication number
- CN101089300A CN101089300A CNA2007100352918A CN200710035291A CN101089300A CN 101089300 A CN101089300 A CN 101089300A CN A2007100352918 A CNA2007100352918 A CN A2007100352918A CN 200710035291 A CN200710035291 A CN 200710035291A CN 101089300 A CN101089300 A CN 101089300A
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- resin
- manhole cover
- layer
- particle diameter
- well lid
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 239000010410 layer Substances 0.000 claims abstract description 43
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 21
- 239000002344 surface layer Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims description 33
- 239000011347 resin Substances 0.000 claims description 33
- 239000011521 glass Substances 0.000 claims description 25
- 239000003822 epoxy resin Substances 0.000 claims description 22
- 239000004744 fabric Substances 0.000 claims description 22
- 229920000647 polyepoxide Polymers 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- 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 claims description 18
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 claims description 18
- 239000006004 Quartz sand Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 11
- 239000004575 stone Substances 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000010431 corundum Substances 0.000 claims description 6
- 229910052593 corundum Inorganic materials 0.000 claims description 6
- -1 polypropylene Polymers 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 5
- 239000004925 Acrylic resin Substances 0.000 claims description 4
- 229920000178 Acrylic resin Polymers 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 4
- 235000013312 flour Nutrition 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 239000012802 nanoclay Substances 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- APAUNQLFVGBQQW-UHFFFAOYSA-N (1,2,2-trimethylcyclohexyl) 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1(C)CCCCC1(C)C APAUNQLFVGBQQW-UHFFFAOYSA-N 0.000 claims description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- 239000004593 Epoxy Substances 0.000 claims description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229920005575 poly(amic acid) Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920006337 unsaturated polyester resin Polymers 0.000 claims description 2
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims 1
- 239000002131 composite material Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- AZIQALWHRUQPHV-UHFFFAOYSA-N prop-2-eneperoxoic acid Chemical class OOC(=O)C=C AZIQALWHRUQPHV-UHFFFAOYSA-N 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Sewage (AREA)
Abstract
The present invention discloses a production method of manhole cover. It includes manhole cover and manhole seat. Said manhole cover and manhole seat are formed from surface layer, reinforcing layer, external surface layer and filling layer respectively, in which the filling layer is composed of reinforcing bar and filling material.
Description
Technical field
The present invention relates to build with municipal engineering in the sink hole well lid, relate in particular to a kind of production method of manhole cover.
Background technology
In the supply and drain water system of all kinds of buildings and municipal engineering, underground cable system and underground communication cable system, be construction and maintenance management convenience, all sink hole to be set at a certain distance, or title mud-storage well, the well lid of sink hole use at present all is casting iron well lid basically, and minority is used simple glass steel composite material well lid or rubber well lid.Casting iron well lid weight is big, and is easily stolen, transportation and unlatching well lid inconvenience, and well lid is crisp, and toughness is poor, and easy fracture damages; Simple glass steel composite material well lid weight is big, and supporting capacity is low, and fatigue performance is poor, damages than easy fracture; The rubber well lid is at high temperature yielding, and is not anti-aging.Therefore, in the city, particularly on the urban road,, add some constructions accidentally and artificial damage the such as theft, well lid usually takes place damage or lose, cause the pedestrian injured, the accident of damaged vehicle because the defective that well lid self exists causes fracture damage.
For this reason, many researchers have been put among the research troop of manhole cover, Chinese patent CN1134490A discloses a kind of glass fibre reinforced plastic manhole covers and production method thereof, the manufacture craft of this well lid is very complicated, and inside has reinforcing bar, very easily under the effect of external force peel off mutually, influenced intensity with the glass fiber reinforced plastic composite bed.Chinese patent CN1292132C discloses a kind of reinforced manhole cover and preparation method thereof, and reinforcing rib adopts ductile iron, and its cost is higher relatively, equally also exists very easily under the effect of external force to peel off mutually with the glass fiber reinforced plastic composite bed, influences performance.I am a kind of new product design of inventing at this manhole cover production method of design myself on the basis of the novel rain grid made of patent CN2786219Y of having authorized, simple to operate, more practical.
Summary of the invention
The purpose of this invention is to provide a kind of highly corrosion resistant, ageing-resistant, wear-resistant, the intensity height, shock resistance, fracture toughness is good, the anti-pilferage, cost of production is low, the simple manhole cover production method of manufacture craft.
Realize that the technical scheme that purpose of the present invention adopts is:
A kind of manhole cover production method of the present invention, it is made up of well lid and well seat, and well lid and well seat constitute by surface course, enhancement layer, extexine and packed layer, and its packed layer is made up of reinforcing rib and inserts.
Each component should meet following technological requirement:
The percentage by weight of described surface course each component is: functional resin 20-30%, quartz sand I 35-60%, corundum 10-20%, Variegation 0-15%, numb stone 0-15%, polypropylene fibre 5-8%, colorant 0-5%, age resister 0-2%, methyl ethyl ketone peroxide 0.1-1%, cobalt naphthenate 0.1-1%.
Wherein, described quartz sand I particle diameter is 0.15-1.0mm, and particle diameter is that the ratio of 0.15-0.5mm and 0.5-0.8mm and 0.8-1.0mm is 5: 4: 1, its SiO
2Content 〉=95.0%; The corundum particle diameter is 0.25-1.25mm, its Al
2O
3Content 〉=95.0%; The Variegation particle diameter is 0.2-0.8mm; Fiber crops stone particle diameter is 0.5-1.5mm; Length≤the 10mm of polypropylene fibre.
Described enhancement layer constitutes by identical component with extexine, and the percentage by weight of its each component is: functional resin 55-65%, glass fabric 35-45%, methyl ethyl ketone peroxide 0.1-1%, cobalt naphthenate 0.1-1%.Wherein, glass fabric is an alkali-free glass fiber cloth, or medium alkali fiber cloth.
The percentage by weight of described reinforcing rib each component is: functional resin 35-45%, glass fiber bundle 45-60%, carbon fiber bundle 1-10%, methyl ethyl ketone peroxide 0.05-0.5%, cobalt naphthenate 0.05-0.5%.
The percentage by weight of described inserts each component is: functional resin 8-20%, quartz sand II 80-92%, methyl ethyl ketone peroxide 0.1-1%, cobalt naphthenate 0.1-1%.
Or the percentage by weight of inserts each component is: functional resin 8-20%, quartz sand II 30-40%, scrap glass slag or building waste 30-40%, river sand or stone flour 10-20%, methyl ethyl ketone peroxide 0.1-1%, cobalt naphthenate 0.1-1%.Wherein, described scrap glass slag or building waste particle diameter are 2.0-6.0mm; The particle diameter of river sand or stone flour is 0.2-2.0mm, mud content≤0.5%.
Described quartz sand II particle diameter is 0.5-10.0mm, and particle diameter is that the ratio of 0.5-2.0mm and 2.0-3.0mm and 3.0-5.0mm and 5.0-6.0mm and 6.0-8.0mm and 8.0-10.0mm is 6: 5: 3: 3: 2: 1, and its SiO
2Content 〉=95.0%.
The percentage by weight of described functional resin each component is: epoxy resin 20-30%, unsaturated polyester resin 50-60%, acrylic resin modified 5-10%, nanoclay 5-15%;
Wherein, described epoxy resin is one or both the mixture in E20 epoxy resin, E44 epoxy resin, E51 epoxy resin, acrylic modified epoxy resin, butyl acrylate epoxy resin, trimethyl cyclohexyl methacrylate epoxy resins, polyurethane modified epoxy resin, bi-maleimide modified epoxy resin, polyamic acid modified epoxy, the bisphenol A epoxide resin;
Described acrylic resin modified be acrylic or methacrylic acid and the copolymer of acrylic acid hydroxyl ester class or acrylic acid hydroxy alkyl ester or acrylic acid amido Arrcostab;
Described nanoclay particle diameter is the 20-100 nanometer.
A kind of manhole cover production method is characterized in that described well lid manufacturing process steps is:
(1) well lid counterdie and well lid surface mold cleaning, last demoulding wax;
(2) be coated with the last layer resin liquid at the well lid counterdie, spread glass fabric then successively, every shop layer of glass cloth is coated a certain amount of resin liquid, the moulding extexine;
(3) put into 1/3 the inserts for preparing, the continuous reinforcing rib that conforms to the well lid shape is put in jolt ramming then, and reinforcing rib should be placed on the middle and lower part of packed layer as far as possible, puts into 2/3 remaining inserts again, jolt ramming, moulding packed layer;
(4) spread a certain amount of glass fabric at the upper surface of packed layer, coat a certain amount of resin liquid, the moulding enhancement Layer;
(5) in making the well lid surface mold of pattern, put into the materials that prepare, the molded surface layer;
(6) surface mold and counterdie carry out matched moulds, pressurization; Can heat under the necessary situation, quicken to solidify;
(7) demoulding, the finishing product;
(8) the well lid production cycle was controlled at 10-30 minute.
A kind of manhole cover production method is characterized in that described well seat manufacturing process steps is:
(1) well seat mold cleaning, last demoulding wax;
(2) in well seat mould, put into the materials that prepare, the molded surface layer;
(3) be coated with the last layer resin liquid on surface course and well seat mould, spread glass fabric then successively, every shop layer of glass cloth is coated a certain amount of resin liquid, the moulding extexine;
(4) put into the continuous reinforcing rib of the annular that conforms to the walling crib shape at the shoulder of well seat, add the inserts for preparing, jolt ramming, moulding packed layer then;
(5) spread a certain amount of glass fabric at the upper surface of packed layer, coat a certain amount of resin liquid, the moulding enhancement Layer;
(6) place the enhancement Layer surface with one flat plate, pressurization; Can heat under the necessary situation, quicken to solidify;
(7) demoulding, the finishing product;
(8) the well seat production cycle was controlled at 10-30 minute.
Advantage of the present invention is: well lid adopts convex shape, and the shape of seemingly intercepting ball makes the well lid enlarged in thickness, and helping intensity increases.The application of functional resin has strengthened the anti-corrosion capability and the ageing-resistant ability of well lid greatly; Adopt the filler of different gradation, effectively strengthened the compactness of well lid, guaranteed the stable of performance; The application of hybrid composite reinforcing rib has improved the supporting capacity and the application life of well lid greatly.Have the intensity height, corrosion-resistant, ageing-resistant, wear-resistant, shock resistance, fatigue performance is good, and fracture toughness is good, and cost of production is low, and manufacture craft is simple, and no recovery value can prevent characteristics such as pilferage.
Description of drawings
Fig. 1 is the cross-sectional schematic of manhole cover embodiment of the present invention;
Fig. 2 is the schematic top plan view of well lid reinforcing rib among Fig. 1;
Fig. 3 is the schematic top plan view of well seat reinforcing rib among Fig. 1.
The specific embodiment
As shown in Figure 1: manhole cover of the present invention is made up of well lid and well seat, and its well lid is by surface course 1, enhancement layer 2, and extexine 3, packed layer 4 constitutes, and packed layer 4 is made of reinforcing rib 5 and inserts 6; Its well seat is by surface course 1-1, enhancement layer 2-2, and extexine 3-3, packed layer 4-4 constitutes, and packed layer 4-4 is made of reinforcing rib 5-5 and inserts 6-6.
The invention will be further described below by the specific embodiment, but and do not mean that qualification to protection domain of the present invention.
Embodiment 1
Prepare various raw material by technological requirement, it is stand-by to be placed on the appointed place.(percentage by weight) composed as follows of each several part:
Surface course: functional resin 25%, quartz sand I 46%, corundum 10%, Variegation 8%, polypropylene fibre 5%, colorant 2%, age resister 2%, methyl ethyl ketone peroxide 1%, cobalt naphthenate 1%.
Enhancement layer and extexine: functional resin 60%, glass fabric 38%, methyl ethyl ketone peroxide 1%, cobalt naphthenate 1%.
Reinforcing rib: functional resin 36%, glass fiber bundle 55%, carbon fiber bundle 8%, methyl ethyl ketone peroxide 0.5%, cobalt naphthenate 0.5%.
Inserts: functional resin 10%, quartz sand II 88%, methyl ethyl ketone peroxide 1%, cobalt naphthenate 1%.
Manufacturing process steps according to well lid and well seat is produced, and the production cycle was controlled at 20 minutes, treats the demoulding behind its gel solidification, is placed on the indoor spontaneous curing 24 hours of carrying out again, and trim edges portion promptly gets the invention product.
Prepare various raw material by technological requirement, it is stand-by to be placed on the appointed place.(percentage by weight) composed as follows of each several part:
Surface course: functional resin 30%, quartz sand I 36%, corundum 20%, polypropylene fibre 8%, colorant 3%, age resister 1.5%, methyl ethyl ketone peroxide 0.5%, cobalt naphthenate 1.0%.
Enhancement layer and extexine: functional resin 64%, glass fabric 35%, methyl ethyl ketone peroxide 0.5%, cobalt naphthenate 0.5%.
Reinforcing rib: functional resin 40%, glass fiber bundle 49%, carbon fiber bundle 10%, methyl ethyl ketone peroxide 0.5%, cobalt naphthenate 0.5%.
Inserts: functional resin 20%, quartz sand II 35%, scrap glass slag 30%, river sand 13%, methyl ethyl ketone peroxide 1%, cobalt naphthenate 1%.
Manufacturing process steps according to well lid and well seat is produced, and the production cycle was controlled at 25 minutes, treats the demoulding behind its gel solidification, is placed on the indoor spontaneous curing 24 hours of carrying out again, and trim edges portion promptly gets the invention product.
Claims (10)
1, a kind of manhole cover production method is characterized in that it is made up of well lid and well seat, and well lid and well seat constitute by surface course, enhancement layer, extexine and packed layer, and its packed layer is made up of reinforcing rib and inserts.
2, a kind of manhole cover production method according to claim 1, the percentage by weight that it is characterized in that described surface course each component is: functional resin 20-30%, quartz sand I 35-60%, corundum 10-20%, Variegation 0-15%, fiber crops stone 0-15%, polypropylene fibre 5-8%, colorant 0-5%, age resister 0-2%, methyl ethyl ketone peroxide 0.1-1%, cobalt naphthenate 0.1-1%.
Wherein, described quartz sand I particle diameter is 0.15-1.0mm, and particle diameter is that the ratio of 0.15-0.5mm and 0.5-0.8mm and 0.8-1.0mm is 5: 4: 1, its SiO
2Content 〉=95.0%; The corundum particle diameter is 0.25-1.25mm, its Al
2O
3Content 〉=95.0%; The Variegation particle diameter is 0.2-0.8mm; Fiber crops stone particle diameter is 0.5-1.5mm; Length≤the 10mm of polypropylene fibre.
3, a kind of manhole cover production method according to claim 1, it is characterized in that described enhancement layer constitutes by identical component with extexine, the percentage by weight of its each component is: functional resin 55-65%, glass fabric 35-45%, methyl ethyl ketone peroxide 0.1-1%, cobalt naphthenate 0.1-1%.
Wherein, described glass fabric is an alkali-free glass fiber cloth, or medium alkali fiber cloth.
4, a kind of manhole cover production method according to claim 1, the percentage by weight that it is characterized in that described reinforcing rib each component is: functional resin 35-45%, glass fiber bundle 45-60%, carbon fiber bundle 1-10%, methyl ethyl ketone peroxide 0.05-0.5%, cobalt naphthenate 0.05-0.5%.
5, a kind of manhole cover production method according to claim 1 is characterized in that the percentage by weight of described inserts each component is: functional resin 8-20%, quartz sand II 80-92%, methyl ethyl ketone peroxide 0.1-1%, cobalt naphthenate 0.1-1%.
6, a kind of according to claim 1 or 5 manhole cover production method, the percentage by weight that it is characterized in that described inserts each component is: functional resin 8-20%, quartz sand II 30-40%, scrap glass slag or building waste 30-40%, river sand or stone flour 10-20%, methyl ethyl ketone peroxide 0.1-1%, cobalt naphthenate 0.1-1%.
Wherein, described scrap glass slag or building waste particle diameter are 2.0-6.0mm; The particle diameter of river sand or stone flour is 0.2-2.0mm, mud content≤0.5%.
7, according to claim 5 or 6 described a kind of manhole cover production methods, it is characterized in that described quartz sand II particle diameter is 0.5-10.0mm, and particle diameter is that the ratio of 0.5-2.0mm and 2.0-3.0mm and 3.0-5.0mm and 5.0-6.0mm and 6.0-8.0mm and 8.0-10.0mm is 6: 5: 3: 3: 2: 1, and its SiO
2Content 〉=95.0%.
8, according to claim 2 or 3 or 4 or 5 or 6 described a kind of manhole cover production methods, the percentage by weight that it is characterized in that described functional resin each component is: epoxy resin 20-30%, unsaturated polyester resin 50-60%, acrylic resin modified 5-10%, nanoclay 5-15%;
Wherein, described epoxy resin is one or both the mixture in E20 epoxy resin, E44 epoxy resin, E51 epoxy resin, acrylic modified epoxy resin, butyl acrylate epoxy resin, trimethyl cyclohexyl methacrylate epoxy resins, polyurethane modified epoxy resin, bi-maleimide modified epoxy resin, polyamic acid modified epoxy, the bisphenol A epoxide resin;
Described acrylic resin modified be acrylic or methacrylic acid and the copolymer of hydroxy-ethyl acrylate or acrylic acid hydroxy alkyl ester or acrylic acid amido Arrcostab;
Described nanoclay particle diameter is the 20-100 nanometer.
9, a kind of manhole cover production method according to claim 1 is characterized in that described well lid manufacturing process steps is:
(1) well lid counterdie and well lid surface mold cleaning, last demoulding wax;
(2) be coated with the last layer resin liquid at the well lid counterdie, spread glass fabric then successively, every shop layer of glass cloth is coated a certain amount of resin liquid, the moulding extexine;
(3) put into 1/3 the inserts for preparing, the continuous reinforcing rib that conforms to the well lid shape is put in jolt ramming then, and reinforcing rib should be placed on the middle and lower part of packed layer as far as possible, puts into 2/3 remaining inserts again, jolt ramming, moulding packed layer;
(4) spread a certain amount of glass fabric at the upper surface of packed layer, coat a certain amount of resin liquid, the moulding enhancement Layer;
(5) in making the well lid surface mold of pattern, put into the materials that prepare, the molded surface layer;
(6) surface mold and counterdie carry out matched moulds, pressurization; Can heat under the necessary situation, quicken to solidify;
(7) demoulding, the finishing product;
(8) the well lid production cycle was controlled at 10-30 minute.
10, a kind of manhole cover production method according to claim 1 is characterized in that described well seat manufacturing process steps is:
(1) well seat mold cleaning, last demoulding wax;
(2) in well seat mould, put into the materials that prepare, the molded surface layer;
(3) be coated with the last layer resin liquid on surface course and well seat mould, spread glass fabric then successively, every shop layer of glass cloth is coated a certain amount of resin liquid, the moulding extexine;
(4) put into the continuous reinforcing rib of the annular that conforms to the walling crib shape at the shoulder of well seat, add the inserts for preparing, jolt ramming, moulding packed layer then;
(5) spread a certain amount of glass fabric at the upper surface of packed layer, coat a certain amount of resin liquid, the moulding enhancement Layer;
(6) place the enhancement Layer surface with one flat plate, pressurization; Can heat under the necessary situation, quicken to solidify;
(7) demoulding, the finishing product;
(8) the well seat production cycle was controlled at 10-30 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100352918A CN100494586C (en) | 2007-07-05 | 2007-07-05 | Manhole cover and method for producing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100352918A CN100494586C (en) | 2007-07-05 | 2007-07-05 | Manhole cover and method for producing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101089300A true CN101089300A (en) | 2007-12-19 |
| CN100494586C CN100494586C (en) | 2009-06-03 |
Family
ID=38942789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100352918A Expired - Fee Related CN100494586C (en) | 2007-07-05 | 2007-07-05 | Manhole cover and method for producing same |
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|---|---|
| CN (1) | CN100494586C (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720214A (en) * | 2012-07-11 | 2012-10-10 | 山东大学 | Carbon fibre composite damping well cover and manufacturing process thereof |
| CN103124819A (en) * | 2010-10-28 | 2013-05-29 | 珀利扣工业有限公司 | Manhole cover manufacturing process and manhole cover thus obtained |
| CN103498485A (en) * | 2013-10-24 | 2014-01-08 | 遵义鑫兴器材有限公司 | High-strength and low-cost composite well lid |
| CN104594382A (en) * | 2014-12-09 | 2015-05-06 | 浙江邦德光电集团有限公司 | Underground communication well |
| CN105040738A (en) * | 2015-06-09 | 2015-11-11 | 长兴恒绵塑业有限公司 | Safety inspection-well cover |
| CN105442634A (en) * | 2015-11-05 | 2016-03-30 | 无锡爱路建设有限公司 | Well lid with installation foundation and method for installing well lid |
| CN105462147A (en) * | 2015-11-23 | 2016-04-06 | 贵州贵鑫建材有限公司 | A solar-energy resin inspection well cover |
| CN105484295A (en) * | 2015-11-23 | 2016-04-13 | 贵州贵鑫建材有限公司 | Resin inspection well lid |
| CN107119791A (en) * | 2017-05-14 | 2017-09-01 | 南通德瑞森复合材料有限公司 | A kind of new glass fibre reinforced plastic trench cover plate |
| CN107418242A (en) * | 2017-08-03 | 2017-12-01 | 厦门金霆工贸有限公司 | DMC CF types high strength composites and its application in manhole cover |
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2007
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