CN1072007A - Wear-and corrosion-resistant composite steel pipe and manufacture method thereof - Google Patents
Wear-and corrosion-resistant composite steel pipe and manufacture method thereof Download PDFInfo
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- CN1072007A CN1072007A CN 92112113 CN92112113A CN1072007A CN 1072007 A CN1072007 A CN 1072007A CN 92112113 CN92112113 CN 92112113 CN 92112113 A CN92112113 A CN 92112113A CN 1072007 A CN1072007 A CN 1072007A
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Abstract
The present invention relates to a kind of wear-and corrosion-resistant composite steel pipe and manufacture method thereof.This wear-and corrosion-resistant composite steel pipe is in thin-wall steel tube or sheet metal volume welded tube, close and firm fixedly one deck is the liner that base-material mixes and stirs the cementitious matter formation that cohesiveencess is good, flexible has anticorrosion antiwear with the high cast stone material of wear-resistance and anti-corrosion performance, so it is not easy cracked, wear-resistance and anti-corrosion is good, its cementitious matter is divided into four kinds of resins, water glass, cement, furan, manufacture method be by the contained material of liner the weight proportion relation mixing and stirring, make through cast, centrifugal forming, curing or maintenance operation.
Description
The present invention relates to a kind of wear-and corrosion-resistant composite steel pipe and manufacture method thereof.
At present, the wear resistant corrosion resistant steel pipe generally adopts thick walled steel tube, manganese steel pipe, cast stone jacket pipe.Thick walled steel tube and manganese steel pipe wear resistance are relatively poor, working life is short, cast stone jacket pipe poor toughness, easily cracked, pipeline section is short, install and using process in because of easy cracked blocking pipe, in order to address these problems, the common practice is the liner at steel pipe internal fixation wear resistant corrosion resistant, as application number 89 1 04412.4 " pipe lining ", application number is 87 2 17103 " water conveyance steel tube composite cement mortar lining structure ", the former can only adopt the plastic material with 15% restoring force, edge pipe lining complex process, need special device, the cost height, the liner anticorrosive wear-resistant is also relatively poor, and the latter's liner adopts three-decker, complex structure, technology difficulty is big, operation is many, only be suitable for the large diameter pipeline that the people can enter to construct.
The purpose of this invention is to provide wear-and corrosion-resistant composite steel pipe and manufacture method thereof that a kind of corrosion protection, wear resistance are higher than manganese steel, its toughness than cast stone chuck run well, pipeline section is long, manufacturing process is simple.
The object of the present invention is achieved like this, with the high cast stone material of wear-resistance and anti-corrosion performance is base-material, mix cohesiveencess is good, flexible, have the wear-resisting cementitious matter of corrosion protection as steel pipe one deck liner of thin-wall steel tube or sheet metal volume welded tube particularly, makes the wear-and corrosion-resistant composite steel pipe that liner combines with the steel pipe close and firm.
It is that cast stone (be generally the 5-15mm maximum particle diameter and be no more than 2/3 thickness of inner lining) of 5mm-2/3 thickness of inner lining, cast stone sand, the fineness that particle diameter is 0.16-5mm are 80-120 purpose glass-cermic powder that the used cast stone material of wear-and corrosion-resistant composite steel pipe liner that the present invention proposes has particle diameter, and cementitious matter has resin, water glass (joining prodan), cement (and water of crystallization), phenolic resin (joining the phenolic aldehyde powder).According to four kinds of cementitious matters, the present invention proposes following four schemes, each scheme is divided into two kinds, first kind constitutes pipe diameter is the wear-and corrosion-resistant composite steel pipe of 100-2000mm, second kind of wear-and corrosion-resistant composite steel pipe (liner does not contain cast stone) that constitutes pipe diameter≤150mm, liner internal diameter 〉=50mm.
Manufacture method of the present invention comprise mix get the raw materials ready, cast, centrifugal forming, curing or maintenance operation, above-mentioned four operations are connected successively makes wear-and corrosion-resistant composite steel pipe, mixing gets the raw materials ready is according to the part by weight relation of each composition in liner, is mixed into the mixture that weight equals liner when not dewatering (or cement lining) weight.
If D is the liner internal diameter for pipe diameter d
L is composite steel tube length r
oBe the proportion of liner or the proportion of cement cast stone mixture (trying to achieve) by being made into sample test
Then the weight of each composite steel tube mixture is:
G＝π·（D
2-d
2）·L·r
o/4
Obtain the weight of every kind of composition according to the part by weight relation of each composition of liner.
Scheme one: it is cementitious matter that liner is selected resin for use, and resin can be used alkyd resin, and this mechanical strength of resin height, wear resistance are good, and the corrosion of acidproof alkali; Also available phenolic resin, the corrosivity of the acidproof alkali of this resin is strong, goes back available epoxy, and the corrosivity height of this mechanical strength of resin height, acidproof alkali can reasonably be selected resin for use according to the sour alkali and the service condition of conveyance fluid.
First kind, the composition of liner comprises resin, cast stone, cast stone sand, glass-cermic powder, the particle diameter of cast stone is the 5mm-2/3 thickness of inner lining, (being generally 5mm-15mm), the particle diameter of cast stone sand is 0.16-5mm, the fineness of glass-cermic powder is the 80-120 order, is benchmark with the weight of resin, and the weight of each composition of cast stone material is that the multiple of weight resin is in the liner:
1-3 times of glass-cermic powder 1-3 of the sub-2-4 of cast stone times cast stone sand doubly
Wear-and corrosion-resistant composite steel pipe with steel pipe formation pipe diameter 100-2000mm.
Its manufacture method comprise mix get the raw materials ready, operation that cast, centrifugal forming, curing are connected successively, mixing gets the raw materials ready is to be cast stone of resin, particle diameter 5mm to 2/3 thickness of inner lining, the cast stone sand of granularity 0.16-5mm, fineness 80-120 purpose glass-cermic powder, by they part by weight relations in liner, the weight of cast stone, cast stone sand, glass-cermic powder be respectively weight resin 2-4 doubly, 1-3 doubly, 1-3 doubly, be made into weight and equal the bulk cargo of liner weight, then with artificial or be mixed into uniform mixture with stirrer; Earlier the back-up ring of an internal diameter less than the liner internal diameter respectively installed at the steel pipe two ends during cast, then mixture is poured in the steel pipe of horizontal, and mixture is evenly distributed in steel pipe; Centrifugal forming is steel pipe to be clipped on the centrifuge (also claim centrifugal shaper), makes that circle changeed 20-60 minute with the linear velocity of 3-7 meter per second in the steel pipe, when steel pipe rotates its off-centre remain on ± 5mm within so that make the inner lining of steel pipe thickness even; Mixture is once becoming the liner type back-up ring of dismantling in the centrifugal forming operation, be blown in the liner of steel pipe with temperature 30-60 ℃ hot blast or liner be warmed to 40-80 ℃ and carry out heating cure with electric furnace, make wear-and corrosion-resistant composite steel pipe, unload steel pipe from centrifuge then, used steel pipe can be rolled up welded tube with thin-wall steel tube or sheet metal, can reduce cost centrifugal function speed change.
Second kind, the composition of liner comprises cast stone sand, the fineness 80-120 purpose glass-cermic powder of resin, particle diameter 0.16-5mm, is benchmark with the resin, and the multiple that its weight of forming other composition of liner is weight resin is:
1.5-3.5 times of glass-cermic powder 1-2.5 of cast stone sand doubly
Wear-and corrosion-resistant composite steel pipe with steel pipe formation pipe diameter≤150mm, liner internal diameter 〉=50mm.
Its manufacture method comprise mix get the raw materials ready, operation that cast, centrifugal forming, curing are connected successively, mixing gets the raw materials ready is resin, cast stone sand, the glass-cermic powder of forming liner, part by weight relation by each composition of forming liner, be the weight of cast stone sand, glass-cermic powder be respectively weight resin 1.5-3.5,1-2.5 doubly, be made into weight and equal the bulk cargo of liner weight, with artificial the mixing stirring or be stirred to even one-tenth mixture with stirrer; The content of its cast, centrifugal forming, curing process is identical with first kind, and steel pipe can be rolled up welded tube with thin-wall steel tube or sheet metal.
Scheme two: it is cementitious matter that liner is selected water glass and prodan for use, and steel pipe can be rolled up welded tube with thin-wall steel tube or sheet metal.
First kind, constituting pipe diameter is the 100-2000mm wear-and corrosion-resistant composite steel pipe, it is that cast stone of 5mm-2/3 thickness of inner lining, cast stone sand, the fineness that particle diameter is 0.16-5mm are 80-120 purpose glass-cermic powder that the composition of its liner comprises water glass, prodan, particle diameter, weight with water glass is benchmark, and the weight of forming other composition of liner is that the multiple of water glass weight is:
The sub-1-3 of prodan 0.08-0.12 times cast stone doubly
1-2 times of glass-cermic powder 1-2 of cast stone sand doubly
Its manufacture method comprises mixing gets the raw materials ready, cast, centrifugal forming, solidify and be connected operation successively, mixing gets the raw materials ready is the water glass of forming liner, prodan, cast stone, cast stone sand, glass-cermic powder, weight with water glass is benchmark, prodan, cast stone, cast stone sand, the weight of glass-cermic powder is respectively 0.08-0.12 times of water glass weight, 1-3 doubly, 1-2 doubly, 1-2 doubly, by this weight relationships, be made into weight and equal the bulk cargo of liner weight, with artificial or stirrer mixing and stirring, its cast, centrifugal forming, the content of curing process is identical with one first kind of scheme.
Second kind, it is that cast stone sand, the fineness of 0.15-5mm is 80-120 purpose glass-cermic powder that the composition of liner comprises water glass, prodan, particle diameter, is benchmark with the weight of water glass, and the weight of forming other composition of liner is that the multiple of water glass weight is:
1-3 times of glass-cermic powder 1-2 of prodan 0.08-0.12 times of cast stone sand doubly
Wear-and corrosion-resistant composite steel pipe with steel pipe formation pipe diameter≤150mm, liner internal diameter 〉=50mm.
Its manufacture method comprise mix get the raw materials ready, operation that cast, centrifugal forming, curing are connected successively, mixing gets the raw materials ready is forming water glass, prodan, cast stone sand, the glass-cermic powder that liner comprised, the part by weight relation during according to the composition liner between them:
Water glass 1 prodan 0.08-0.12
Cast stone sand 1-3 glass-cermic powder 1-2
Be made into weight and equal the bulk cargo of liner weight, stir with artificial or stirrer; The content of cast, centrifugal forming, curing process is identical with one first kind of scheme.
Scheme three: liner is a cementitious matter with the cement hydrous water, and its liner is the cast stone concrete, and steel pipe can be rolled up welded tube with thin-wall steel tube or sheet metal.
First kind, the composition bag label 325-725 of liner
#Cement, cast stone of particle diameter 5mm-2/3 thickness of inner lining, the cast stone sand of particle diameter 0.16-5mm, water (water of crystallization), be benchmark with the weight of cement, the weight of forming other composition of liner is that the multiple of cement weight is:
0.25 times in the sub-0.5-2 of cast stone 0.5-2 times of water of times cast stone sand (water of crystallization)
Constituting pipe diameter with steel pipe is the wear-and corrosion-resistant composite steel pipe of 100-2000mm.
The manufacture method of this composite steel tube comprise mix get the raw materials ready, operation that cast, centrifugal forming, maintenance are connected successively, mixing gets the raw materials ready is cement, cast stone, the cast stone sand of forming liner, the part by weight relation when forming liner between them:
The sub-0.5-2 cast stone of cement 1 cast stone sand 0.5-2
And add the water of the 0.28-0.6 of cement weight, be made into weight equal the not dewater bulk cargo of liner weight, with artificial or stirrer mixing and stirring, one first kind of the operation and the scheme of cast, centrifugal forming operation identical, maintenance can be used conventional method maintenance 24 hours, and also the used vapour maintenance is 2 hours.
Second kind, the composition bag label 325-725 of liner
#Cement, the cast stone sand of particle diameter 0.16-5mm, water (water of crystallization), be benchmark with the weight of cement, the weight of forming other composition of liner is that the multiple of cement weight is:
0.25 times in 1.5-2.5 times of water of cast stone sand (water of crystallization)
Constitute pipe diameter with steel pipe and be≤150mm the wear-and corrosion-resistant composite steel pipe of liner internal diameter 〉=50mm.
The manufacture method of this composite steel tube comprise mix get the raw materials ready, operation that cast, centrifugal forming, maintenance are connected successively, mixing gets the raw materials ready is that cement, the weight of forming liner are that cement weight 1.5-2.5 times cast stone, the water that weight is cement weight 0.28-0.60 are made into the bulk cargo that weight equals not take off liner (cement slurry does not dewater) weight, with artificial or stirrer mixing and stirring; Cast, the centrifugal forming operation is identical with one first kind of scheme, and maintenance is that steel pipe is taken off from centrifuge, with conventional maintenance 24 hours or with steam curing 2 hours.
In order to reduce the bonding intensity of water, refinforced cement in the cement construction, when implementing this programme, can add the CON-A water reducing agent of 0.003 times of cement weight.
Scheme four: selecting furan and furans powder for use is cementitious matter, and steel pipe can be rolled up welded tube with thin-wall steel tube or sheet metal.
First kind, constituting pipe diameter is the wear-and corrosion-resistant composite steel pipe of 100-2000mm, the composition of liner comprises furan, furans powder, cast stone, cast stone sand, the particle diameter of cast stone is the 5mm-2/3 thickness of inner lining, the particle diameter of cast stone sand is 0.16-5mmn, the fineness of furans powder is the 80-120 order, is benchmark with the weight of furan, and the weight of other composition that liner comprises is that the multiple of furan weight is:
1.3-2 times of sub-2.1-4 of cast stone of furans powder times cast stone sand 1-1.5 doubly
Its manufacture method comprises mixing gets the raw materials ready, cast, centrifugal forming, solidify the operation that is connected successively, mixing gets the raw materials ready is the furan of forming liner, fineness is a 80-120 purpose furans powder, cast stone of particle diameter 5mm-2/3 thickness of inner lining, the cast stone sand of particle diameter 0.16-5mm, press the weight relationships in liner, the weight that is furan is benchmark, the furans powder, cast stone, the weight of cast stone sand is respectively 1.5-2 times of furan weight, 2.1-4 doubly, 1-1.5 doubly, be made into bulk cargo that weight equals liner weight with artificial or use stirrer mixing and stirring, its cast, centrifugal forming, the content of curing process is identical with first kind of operation of the same race of scheme one.
Second kind, constitute the wear-and corrosion-resistant composite steel pipe of pipe diameter≤150mm, liner internal diameter 〉=50mm, the composition of liner comprises the cast stone sand of furan, fineness 80-120 purpose furans powder, particle diameter 0.16-5mm, weight with furan is benchmark, and the multiple that the weight of other composition that liner comprises is respectively furan weight is:
1.3-2 times of cast stone sand of furans powder 2.5-4.5 doubly
Its manufacture method comprise mix get the raw materials ready, operation that cast, centrifugal forming, curing are connected successively, mixing gets the raw materials ready is furan of forming liner, furans powder, cast stone sand, by they weight relationships at liner, be that furan are benchmark, the 1.3-that the weight of furans powder, cast stone sand is respectively furan weight doubly, 2.5-4.5 doubly, be made into the bulk cargo that weight equals liner weight and mix with artificial or stirrer, the content of its cast, centrifugal forming, curing process is identical with first kind operation of the same race of scheme one.
Because the present invention takes above-mentioned four schemes, with the cast stone material serves as that base constitutes the composite steel tube that liner becomes wear resistant corrosion resistant with glueing joint the material gluing in steel pipe, the wear resistance of cast stone material is more than 5 times of manganese steel, the excellent manganese steel that gives of corrosion resistance, acid resistance is more than 3 times of acid-proof ceramic tile, cooperate to be not easy the liner that cracked cementitious matter is made composite steel tube, overcome the cast stone material and easily split frangible shortcoming.So the wear-and corrosion-resistant composite steel pipe that the present invention proposes, its wear-resistance and anti-corrosion height is pressed the JC260-81 code test, and the wear intensity that with the resin is the liner of cementitious matter is 0.0883-0.1101 gram/cm
3, cement is 0.09-0.1276 gram/cm for the wear intensity of glueing joint material
3Its wear resistance of liner of the steel pipe of the mixing ratio system that proposes by the present invention can reach 90 times of 13 times of manganese steel, 53 times of wear-resistant ceramic, 56 times of carbon steel, cast iron, Corrosion Protection surpasses the manganese steel pipe, the excellent manganese steel pipe that gives of composite steel tube wear-resistance and anti-corrosion that combines and constitute with steel pipe, four kinds of cementitious matters, the liner intensity height of plastic bonding, wear resistance is good, acidproof alkali corrosivity is also high, especially epoxy resin, phenolic resin; The especially anti-strong alkali of the wear and corrosion resistant lining of water glass and prodan gluing; Low, the wear resistant corrosion resistant of cast stone concrete lining cost of cementing, the corrosivity of the acidproof alkali of liner of furan and furans arogel knot is very high.The present invention proposes to make the method for wear-and corrosion-resistant composite steel pipe, the construction skill is fairly simple, pipeline section is long, the centrifugal molding process of Cai Yonging particularly, liner is closely knit evenly, intensity is high, impermeability good, inner wall smooth, moulding process is simple, manufacturing efficiency is high, by the wear-and corrosion-resistant composite steel pipe that the method for the present invention's proposition is made, cost is lower than manganese steel weldless tube, cast stone composite pipe.
Below in conjunction with drawings and Examples wear-and corrosion-resistant composite steel pipe and the manufacture method thereof that the present invention proposes elaborated.
Fig. 1 is a kind of structural drawing of the wear-and corrosion-resistant composite steel pipe that proposes of the present invention.
Fig. 2 is the wear-and corrosion-resistant composite steel pipe sectional view of band inclination flange.(direct-connected connecing)
Fig. 3 is that the wear-and corrosion-resistant composite steel pipe with Fig. 2 is connected into bend pipe figure.
See Fig. 1, Fig. 2, Fig. 3, (1) be steel pipe, its thin-wall steel tube or sheet metal volume welded tube, (2) be liner, make with cast stone material mix cementitious matter, (3), (6), (7) are wear-and corrosion-resistant composite steel pipe, (4) are that flange, (15) are screw and nut.
The used cast stone material of 24 embodiments that proposes below and the granularity or the fineness of cement and furans powder are:
Cast stone seed footpath 5mnm-2/3 thickness of inner lining
Cast stone sand grains footpath 0.16-5mm
Glass-cermic powder fineness 80-120 order
Cement grade 325-725
#
Furans powder fineness 80-120 order
The centrifugation apparatus of centrifugal forming is the centrifugal function speed change of JZS28-2; The blower fan 1KW that the hot blast heating cure is used, electric furnace 5-8KW.
If D is the liner internal diameter for pipe diameter d
L composite steel tube length r
oProportion (sampling and measuring is tried to achieve) for the liner or the liner that do not dewater
Then: the weight of liner is:
G＝π·（D
2-d
2）·L·r
o/4
The weight of liner composition is:
Qi＝a
1·G/（a
1+a
2+……a
i+……a
j）
A in the formula
1=1, be to be benchmark with certain composition, a
2, a ... a
iA
j, be that other composition is a
1Multiple.
The present invention proposes four schemes, each scheme is divided into two kinds, first kind can constitute the wear-and corrosion-resistant composite steel pipe that pipe diameter is 100-2000mm, second kind of wear-and corrosion-resistant composite steel pipe that can constitute pipe diameter≤150mm, liner internal diameter 〉=50mm, every kind of three embodiments.
Scheme one is made cementitious matter with resin, and resin can be used alkyd resin, phenolic resin, epoxy resin, according to the dielectric corrosion that engineering is used, and wear-resisting condition and deciding.
First kind of embodiment one, steel pipe sizes φ 325 * 10 * 4500mm
Wear-and corrosion-resistant composite steel pipe length 4500mm
265.7 kilograms of liner internal diameters of liner weight φ 255mm
The component of liner and weight proportion thereof (ratio) are:
Alkyd resin 1 cast stone 2.5 cast stone sand 1.4 glass-cermic powders 1.3
Manufacture method comprise mix get the raw materials ready, cast, centrifugal forming, curing process mixes that to get the raw materials ready be the alkyd resin 42.9 kilograms, 107 kilograms cast stone, 60 kilograms cast stone sand, 55.8 kilograms glass-cermic powder, with manually or stirrer mix; During cast the back-up ring of an internal diameter less than the liner internal diameter respectively installed at the two ends of steel pipe, the mixture that mixes is poured in the steel pipe of declining from the steel pipe mouth, and mixture is evenly distributed in steel pipe; Centrifugal forming is that steel pipe is clipped on the centrifuge, the interior circle of steel pipe was changeed 20-40 minute with the linear velocity of 3-7 meter per second, steel pipe can not produce the off-centre greater than ± 5mm when rotating, when the centrifugal forming mixture forms liner, dismantle back-up ring, 30-60 ℃ hot air is sent into liner, carry out heating cure, make wear-and corrosion-resistant composite steel pipe.
Embodiment two, steel pipe sizes φ 325 * 10 * 4500mm
Wear-and corrosion-resistant composite steel pipe length 4500mm
266 kilograms of liner internal diameters of liner weight φ 255mm
The component of liner and weight proportion thereof (ratio) are:
Alkyd resin 1 cast stone 3.2 cast stone sand 1 glass-cermic powder 1
Manufacture method comprise mix get the raw materials ready, cast, centrifugal forming, curing process, mixing gets the raw materials ready be 43 kilograms alkyd resin, 137 kilograms cast stone, 43 kilograms cast stone sand, 43 kilograms glass-cermic powder with manually or stirrer mix, become mixture, the content of cast, centrifugal forming, curing process is identical with embodiment's one.
Embodiment three, steel pipe sizes φ 273 * 8 * 3000mm
Wear-and corrosion-resistant composite steel pipe length 3000mm
145.1 kilograms of liner internal diameters of liner weight φ 207mm
The component of liner and weight proportion thereof (ratio) are:
Alkyd resin 1 cast stone 2 cast stone sand 2.2 glass-cermic powders 1
Manufacture method comprise mix get the raw materials ready, cast, centrifugal forming, curing process, mixing gets the raw materials ready be 23.4 kilograms alkyd resin, 46.8 kilograms cast stone, 51.5 kilograms cast stone sand, 23.4 kilograms glass-cermic powder with manually or stirrer stir into uniform mixture, the content of cast, centrifugal forming, curing process is identical with embodiment one.
Second kind of embodiment four, steel pipe sizes φ 108 * 5 * 600mm
Wear-and corrosion-resistant composite steel pipe length 600mm
4.75 kilograms of liner internal diameters of liner weight φ 74mm
The component of liner and weight proportion thereof (ratio) are:
Alkyd resin 1 cast stone sand 2.5 glass-cermic powders 1.25
Its manufacture method comprise mix get the raw materials ready, cast, centrifugal forming, curing process, mixing gets the raw materials ready be 1 kilogram alkyd resin, 2.5 kilograms cast stone sand, 1.25 kilograms glass-cermic powder is artificial or mix into uniform mixture with stirrer, the content of cast, centrifugal forming operation is identical with embodiment's one.
Embodiment five, steel pipe sizes φ 140 * 6 * 1000mm
Wear-and corrosion-resistant composite steel pipe length 1000mm
10.4 kilograms of liner internal diameters of liner weight φ 104mm
The component of liner and weight proportion thereof (ratio) are:
Alkyd resin 1 cast stone sand 1.5 glass-cermic powders 2
Its manufacture method comprise mix get the raw materials ready, cast, centrifugal forming, curing process, mixing gets the raw materials ready be 2.3 kilograms alkyd resin, 3.5 kilograms cast stone sand, 4.6 kilograms glass-cermic powder is artificial or mix into uniform mixture with stirrer, the content of cast, centrifugal forming operation is identical with embodiment's one.
Embodiment six, steel pipe sizes φ 118 * 5 * 500mm
Wear-and corrosion-resistant composite steel pipe length 500mm
4.5 kilograms of liner internal diameters of liner weight φ 84mm
The component of liner and weight proportion thereof (ratio) are:
Alkyd resin 1 cast stone sand 3 glass-cermic powders 1
Its manufacture method comprise mix get the raw materials ready, cast, centrifugal forming, curing process, mixing gets the raw materials ready be 0.9 kilogram alkyd resin, 2.7 kilograms cast stone sand, 0.9 kilogram glass-cermic powder is artificial or mix into uniform mixture with stirrer, the content of cast, centrifugal forming, curing process is identical with embodiment's one.
The foregoing description one to six, the alkyd resin of composite steel pipe liner can use phenolic resin, epoxy resin to replace respectively, cast stone, glass-cermic powder, cast stone sand (embodiment four, five, six does not have cast stone) concern constant with the part by weight of used resin, in the mixing procedure for preparation of manufacture method, alkyd resin, replace with phenolic resin, epoxy resin respectively, other content of each operation is constant.
Scheme two, with water glass and prodan be the manufacture method of cementitious matter, scheme two comprise mix get the raw materials ready, cast, centrifugal forming, curing process, six embodiments are arranged.
First kind of embodiment seven, steel pipe sizes φ 219 * 6 * 1000mm
Wear-and corrosion-resistant composite steel pipe length 1000mm
39.45 kilograms of liner internal diameters of liner weight φ 157mm
The component of liner and weight proportion thereof (ratio) are:
Water glass 1 prodan 0.08 cast stone 1.5
Cast stone sand 1.2 glass-cermic powders 1.2
Manufacture method: mix when getting the raw materials ready water glass 7.9 kilograms, 0.65 prodan, 11.9 kilograms cast stone, 9.5 kilograms cast stone sand, 9.5 kilograms glass-cermic powder with manually or stirrer mixing into uniform mixture, cast, centrifugal forming, curing process are identical with embodiment's one.
Embodiment eight, steel pipe sizes φ 219 * 6 * 1000mm
Wear-and corrosion-resistant composite steel pipe length 1000mm
38.84 kilograms of liner internal diameters of liner weight φ 157mm
The composition of liner and weight proportion thereof (ratio) are:
Water glass 1 prodan 0.1 cast stone 2
Cast stone sand 1.48 glass-cermic powders 1.48
Its manufacture method: mix when getting the raw materials ready water glass 6.4 kilograms, 0.64 kilogram prodan, 12.8 kilograms cast stone, 9.5 kilograms glass-cermic powder, 9.5 kilograms cast stone sand is artificial or being mixed into uniform mixture with stirrer, cast, centrifugal forming, curing process are identical with embodiment's one.
Embodiment nine, steel pipe sizes φ 219 * 6 * 1000mm
Wear-and corrosion-resistant composite steel pipe length 1000mm
38.5 kilograms of liner internal diameters of liner weight φ 157mm
The composition of liner and weight proportion thereof (ratio) are:
Water glass 1 prodan 0.12 cast stone 2.8
Cast stone sand 1.7 glass-cermic powders 1
Manufacture method: mix when getting the raw materials ready water glass 5.8 kilograms, 0.7 kilogram prodan, 16.2 kilograms cast stone, 10 kilograms cast stone sand, 5.8 kilograms glass-cermic powder with manually or stirrer being mixed into uniform mixture, cast, centrifugal forming, curing process are identical with embodiment's one.
Second kind of embodiment ten, steel pipe sizes φ 128 * 5 * 500mm
Wear-and corrosion-resistant composite steel pipe length 500mm
8.2 kilograms of liner internal diameters of liner weight φ 78mm
The composition of liner and weight proportion thereof (ratio) are:
Water glass 1 prodan 0.08 cast stone sand 1.2 glass-cermic powders 1
Manufacture method: mix when getting the raw materials ready that 2.5 kg of water glass, 0.2 kilogram of prodan, 3 kilograms of cast stone sand, 2.5 kilograms glass-cermic powder manually or with stirrer are mixed into uniform mixture, cast, centrifugal forming, curing process are identical with embodiment's one.
Embodiment 11, steel pipe sizes φ 128 * 5 * 500mm
Wear-and corrosion-resistant composite steel pipe length 500mm
8.28 kilograms of liner internal diameters of liner weight φ 78mm
The composition of liner and weight proportion thereof (ratio) are:
Water glass 1 prodan 0.1 cast stone sand 2 glass-cermic powders 1.5
Manufacture method: mix when getting the raw materials ready water glass 1.8 kilograms, 0.18 kilogram prodan, 3.6 kilograms cast stone sand, 2.7 kilograms glass-cermic powder with manually or stirrer mixing into uniform mixture, cast, centrifugal forming, curing process are identical with embodiment's one.
Embodiment 12, steel pipe sizes φ 128 * 5 * 500mm
Wear-and corrosion-resistant composite steel pipe length 500mm
8.19 kilograms of liner internal diameters of liner weight, 78 φ mm
The composition of liner and weight proportion thereof (ratio) are:
Water glass 1 prodan 0.12 cast stone sand 2.8 glass-cermic powders 1.2
Manufacture method: mix when getting the raw materials ready 1.6 kg of water glass, 0.9 kilogram of prodan, 4.5 kilograms of cast stone sand, 1.9 kilograms of glass-cermic powders with manually or stirrer mixing into uniform mixture, cast, centrifugal forming, curing process are identical with embodiment's one.
Scheme three, as cementitious matter, the liner of composite steel tube is the cast stone concrete with the cement hydrous water, manufacture method comprise mix get the raw materials ready, operation that cast, centrifugal forming and maintenance are connected successively has six embodiments.
First kind of embodiment 13, steel pipe sizes φ 325 * 10 * 4500mm
Wear-and corrosion-resistant composite steel pipe length 4500mm
Liner internal diameter φ 261mm
Composition that liner comprises and weight proportion thereof (ratio) are:
Cement 1 cast stone 1.5 water (water of crystallization) 0.25 cast stone sand 1
The liner weight of not dewatering 282 kg of water gray scales 0.32
Manufacture method: mix when getting the raw materials ready earlier cement 85 kilograms, 85 kilograms cast stone, 85 kilograms cast stone sand, 27 kg of water mix with artificial or stirrer, during cast two of steel pipe is respectively installed the back-up ring of an internal diameter less than the liner internal diameter, be poured into mixture in the steel pipe of horizontal from the steel pipe mouth, and mixture is evenly distributed in steel pipe, during centrifugal forming steel pipe is clipped on the centrifuge, the interior circle of steel pipe was changeed 20-40 minute with the linear velocity of 3-7 meter per second, steel pipe can not produce the off-centre greater than ± 5mm during rotation, remove back-up ring after the moulding, unload steel pipe, with conventional method maintenance 24 hours, make wear-and corrosion-resistant composite steel pipe.
Embodiment 14, steel pipe sizes φ 325 * 10 * 3500mm
Wear-and corrosion-resistant composite steel pipe length 3500mm
Liner internal diameter φ 255mm
The liner weight of not dewatering 240.8 kg of water gray scales 0.4
Composition that liner comprises and weight proportion thereof (ratio) are:
Cement 1 cast stone 1.5 water (water of crystallization) 0.25 cast stone sand 0.6
Manufacture method: mix when getting the raw materials ready cement 62 kilograms, 117 kilograms cast stone, 37 kilograms cast stone sand, 24.8 kg of water, mix, cast, centrifugal forming, maintenance operation are identical with embodiment's 13.
Embodiment 15, steel pipe sizes φ 273 * 8 * 3000mm
Wear-and corrosion-resistant composite steel pipe length 3000mm
Liner internal diameter φ 207mm
The liner weight of not dewatering 176 kg of water gray scales 0.55
Composition that liner comprises and weight proportion thereof (ratio) are:
Cement 1 water (water of crystallization) 0.25 cast stone 0.7 cast stone sand 2
Manufacture method: mix when getting the raw materials ready that 41.4 kilograms cement, 29 kilograms cast stone, 82.8 kilograms cast stone sand, 22.8 kg of water are mixed, cast, centrifugal forming, maintenance operation are identical with embodiment's 13.
Second kind of embodiment 16, steel pipe sizes φ 108 * 5 * 500mm
Wear-and corrosion-resistant composite steel pipe length 500mm
Liner internal diameter φ 74mm
The liner weight of not dewatering 4.74 kg of water ashes 0.38
Liner composition and weight proportion thereof (ratio) are:
Cement 1 water (water of crystallization) 0.25 cast stone sand 2
Manufacture method: mix when getting the raw materials ready cement 1.4 kilograms, 2.8 kilograms cast stone sand, 0.54 kg of water with manually or stirrer mixing, cast, centrifugal forming, maintenance operation are identical with embodiment's 13.
Embodiment 17, steel pipe sizes φ 118 * 5 * 500mm
Wear-and corrosion-resistant composite steel pipe length 500mm
Liner internal diameter φ 84mm
The liner weight of not dewatering 5.51 kg of water ashes 0.55
Liner comprises composition and weight proportion (ratio) is:
Cement 1 water (water of crystallization) 0.25 cast stone sand 1.6
Manufacture method: mix when getting the raw materials ready that 1.75 kilograms cement, 2.8 kilograms of cast stone sand, 0.96 kg of water are mixed, cast, centrifugal forming, maintenance operation are identical with embodiment's 13.
Embodiment 18, steel pipe sizes φ 140 * 6 * 500mm
Wear-and corrosion-resistant composite steel pipe length 500mm
Liner internal diameter φ 88mm
The liner weight of not dewatering 9.22 kg of water gray scales 0.3
Liner comprises composition and weight proportion (ratio) is:
Cement 1 water (water of crystallization) 0.25 cast stone sand 2.5
Manufacture method: mix when getting the raw materials ready that 2.43 kilograms cement, 6.07 kilograms of cast stone sand, 0.73 kg of water are mixed, cast, centrifugal forming, maintenance operation are identical with embodiment's 13.
Embodiment 13 to 18 also can adopt steam curing to finish the maintenance operation in 2 hours, can enhance productivity, and mixes when getting the raw materials ready, and can add the CON-A water reducing agent of 0.003 times of cement weight, and reduces the ratio of mud, improves the cast stone concrete strength.
Scheme four: join the furans powder with furan and make cementitious matter, make wear-resisting corrosion composite steel tube, manufacture method comprise mix get the raw materials ready, cast, centrifugal forming, curing process, six embodiments.
First kind of embodiment 19, steel pipe sizes φ 219 * 6 * 1000mm
Wear-and corrosion-resistant composite steel pipe length 1000mm
Liner internal diameter φ 157mm
36.4 kilograms of liner weight
Composition that liner comprises and weight proportion thereof (ratio) are:
Furan 1 furans powder 1.4 cast stones 2.4 cast stone sand 1
Manufacture method: mix when getting the raw materials ready, 6.3 kilograms of furan, 15 kilograms of cast stone, 6.3 kilograms of cast stone sand, 8.8 kg of water furans powder are mixed, cast, centrifugal forming, curing process are identical with embodiment's one.
Embodiment 20, steel pipe sizes φ 219 * 6 * 1000mm
Wear-and corrosion-resistant composite steel pipe length 1000mm
Liner internal diameter φ 157mm
36.4 kilograms of liner weight
Composition that liner comprises and weight proportion thereof (ratio) are:
Furan 1 furans powder 1.8 cast stones 3 cast stone sand 1.25
Manufacture method: 5.2 kilograms of furan, 9.1 kilograms of furans powder, 6.5 kilograms of cast stone sand, 15.6 kilograms of cast stone are mixed, and cast, centrifugal forming, curing process are identical with embodiment's one.
Embodiment 21, steel pipe sizes φ 219 * 6 * 1000mm
Wear-and corrosion-resistant composite steel pipe length 1000mm
Liner internal diameter φ 157mm
36.2 kilograms of liner weight
Composition that liner comprises and weight proportion thereof (ratio) are:
Furan 1 furans powder 1.32 cast stones 3.5 cast stone sand 1.02
Manufacture method: mix when getting the raw materials ready, 5.3 kilograms of furan, 7 kilograms of furans powder, 18.5 kilograms of cast stone, 5.4 kilograms of cast stone sand are mixed, cast, centrifugal forming, curing process are identical with embodiment's one.
Second kind of embodiment 22, steel pipe sizes φ 128 * 5 * 500mm
Wear-and corrosion-resistant composite steel pipe length 500mm
Liner internal diameter φ 78mm
7.9 kilograms of liner weight
Composition that liner comprises and weight proportion thereof (ratio) are:
Furan 1 furans powder 1.4 cast stone sand 4.2
Manufacture method: 1.2 kilograms of furan, 1.7 kilograms of furans powder, 5 kilograms of cast stone sand are mixed, and cast, centrifugal forming, curing process are identical with embodiment's one.
Embodiment 23, steel pipe sizes φ 128 * 5 * 500mm
Wear-and corrosion-resistant composite steel pipe length 500mm
Liner internal diameter φ 78mm
7.9 kilograms of liner weight
Composition that liner comprises and weight proportion thereof (ratio) are:
Furan 1 furans powder 1.5 cast stone sand 3.5
Manufacture method: mix when getting the raw materials ready that 1.3 kilograms of furan, 2 kilograms of furans powder, 4.6 kilograms of cast stone sand are mixed, cast, centrifugal forming, curing process are identical with embodiment's one.
Embodiment 24, steel pipe sizes φ 128 * 5 * 500mm
Wear-and corrosion-resistant composite steel pipe length 500mm
Liner internal diameter φ 78mm
7.9 kilograms of liner weight
Composition that liner comprises and weight proportion thereof (ratio) are:
Furan 1 furans powder 1.8 cast stone sand 2.6
Manufacture method: mix when getting the raw materials ready that 1.5 kilograms of furan, 2.7 kilograms of furans powder, 3.9 kilograms of cast stone sand are mixed, cast, centrifugal forming, curing process are identical with embodiment's one.
The foregoing description one to 24, when cast, also can adopt the spiral sluice feed way, mixture is evenly distributed, boost productivity, also available electric furnace is added to 40 °-80 ℃ to liner when embodiment one to 12 and 19 to 24, curing, carries out heating cure, also can extend the steel pipe rotation time during embodiment's one to 24 centrifugal forming, rotated 40-60 minute, liner is more closely knit.
Claims (28)
1, a kind of wear-and corrosion-resistant composite steel pipe is made of one deck liner of steel pipe and steel pipe internal fixation, it is characterized in that:
(a) liner contains resin, cast stone, cast stone sand, glass-cermic powder;
(b) be that the weight of benchmark, interior diabase lining material composition is that the multiple of weight resin is with the resin:
1-3 times of glass-cermic powder 1-3 of the sub-2-4 of cast stone times cast stone sand doubly
(c) particle diameter of cast stone material is:
The sub-5mm-2/3 thickness of inner lining of cast stone cast stone sand 0.16-5mm
Glass-cermic powder 80-120 order
(d) pipe diameter 100-2000mm.
2,, it is characterized in that said resin is an alkyd resin according to the described wear-and corrosion-resistant composite steel pipe of claim 1.
3,, it is characterized in that said resin is a phenolic resin according to the described wear-and corrosion-resistant composite steel pipe of claim 1.
4,, it is characterized in that said resin is an epoxy resin according to the described wear-and corrosion-resistant composite steel pipe of claim 1.
5, a kind of wear-and corrosion-resistant composite steel pipe is made of one deck liner of steel pipe and steel pipe internal fixation, it is characterized in that:
(a) liner contains resin, cast stone sand, glass-cermic powder;
(b) with the resin be benchmark, the weight of interior each composition of diabase lining material is that the multiple of weight resin is:
1.5-3.5 times of glass-cermic powder 1-2.5 of cast stone sand doubly
(c) particle diameter of cast stone material is:
Cast stone sand 0.16-5mm glass-cermic powder 80-120 order
(d) pipe diameter≤150mm, liner internal diameter 〉=50mm.
6,, it is characterized in that described resin is an alkyd resin according to the described wear-and corrosion-resistant composite steel pipe of claim 5.
7,, it is characterized in that described resin is a phenolic resin according to the described wear-and corrosion-resistant composite steel pipe of claim 5.
8,, it is characterized in that described resin is an epoxy resin according to the described wear-and corrosion-resistant composite steel pipe of claim 5.
9, a kind of wear-and corrosion-resistant composite steel pipe is made of one deck liner of steel pipe and steel pipe internal fixation, it is characterized in that:
(a) liner contains water glass, prodan, cast stone, cast stone sand, glass-cermic powder;
(b) be benchmark with water glass, the weight of prodan and each composition of cast stone material is that the multiple of water glass weight is in the liner:
The sub-1-3 of prodan 0.08-0.12 times cast stone doubly
1-2 times of cast stone sand of cast stone sand 1-2 doubly
(c) particle diameter of cast stone material is:
The sub-5mm-2/3 thickness of inner lining of cast stone cast stone sand 0.16-5mm
Glass-cermic powder 80-120 order
(d) pipe diameter 100-2000mm.
10, a kind of wear-and corrosion-resistant composite steel pipe is made of steel pipe and one deck liner of being fixed in the steel pipe, it is characterized in that:
(a) liner contains water glass, prodan, cast stone sand, glass-cermic powder;
(b) be benchmark with water glass, the weight of prodan and each composition of cast stone material is that the multiple of water glass weight is in the liner:
1-3 times of glass-cermic powder 1-2 of prodan 0.08-0.12 times of cast stone sand doubly
(c) particle diameter of cast stone material is:
Cast stone sand 0.16-5mm glass-cermic powder 80-120 order
(d) pipe diameter≤150mm, liner internal diameter 〉=50mm.
11, a kind of wear-and corrosion-resistant composite steel pipe is made of one deck liner of steel pipe and steel pipe internal fixation, it is characterized in that:
(a) inner lining material is a cast stone cement, and liner contains cement, cast stone, cast stone sand, water;
(b) be benchmark with cement, the weight of cast stone material and water is that the multiple of cement weight is in the liner:
The sub-0.5-2 of cast stone 0.5-2 times of water of times cast stone sand (water of crystallization) 0.25
(c) particle diameter of cast stone material and cement grade are:
The sub-5mm-2/3 thickness of inner lining of cast stone cast stone sand 0.16-5mm
Cement 325-725
#
(d) pipe diameter is 100-2000mm.
12, a kind of wear-and corrosion-resistant composite steel pipe, it is made of steel pipe and one deck liner of being fixed in the steel pipe, it is characterized in that:
(a) inner lining material is the cast stone concrete, and liner contains cement, cast stone sand, water;
(b) be benchmark with cement, the weight of cast stone material and water is that the multiple of cement weight is in the liner:
0.25 times in 1.5-2.5 times of water of cast stone sand (water of crystallization)
(c) label of the particle diameter of cast stone material and cement is:
Cast stone sand 0.16-5mm cement 325-725
#
(d) pipe diameter≤150mm, liner internal diameter 〉=50mm.
13, a kind of wear-and corrosion-resistant composite steel pipe, it is made of steel pipe and one deck liner of being fixed in the steel pipe, it is characterized in that:
(a) liner contains furan, furans powder, cast stone, cast stone sand;
(b) be benchmark with furan, the weight of furans powder, cast stone material is that the multiple of furan weight is in the liner:
1.3-2 times of sub-2.1-4 of cast stone of furans powder times cast stone sand 1-1.5 doubly
(c) particle diameter of furans powder and cast stone material is:
The sub-5mm-2.3 thickness of inner lining of furans powder 80-120 order cast stone
Cast stone sand 0.16-5mm
(d) pipe diameter 100-2000mm.
14, a kind of wear-and corrosion-resistant composite steel pipe, it is made of steel pipe and one deck liner of being fixed in the steel pipe, it is characterized in that:
(a) contain furan, furans powder, cast stone sand in the liner;
(b) with furan be benchmark, the weight of furans powder and cast stone sand is that the multiple of furan weight is:
1.3-2 times of cast stone sand of furans powder 2.5-4.5 doubly
(c) particle diameter of cast stone sand is 0.16-5mm, and the fineness of furans powder is the 80-120 order;
(d) pipe diameter≤150mm, liner internal diameter 〉=50mm.
15, a kind of method of making the described wear-and corrosion-resistant composite steel pipe of claim 1, it comprises mixing gets the raw materials ready, cast, centrifugal forming, solidify the operation that is connected successively, it is characterized in that: mixing gets the raw materials ready is the resin of forming liner, particle diameter 5mm-2/3 thickness of inner lining weight is 2-4 cast stone doubly of weight resin, particle diameter 0.16-5mm weight is the 1-3 cast stone sand doubly of weight resin, fineness 80-120 order weight is the 1-3 glass-cermic powder doubly of weight resin, be made into the bulk cargo that weight equals liner weight and become mixture with artificial or stirrer mixing and stirring, earlier the back-up ring of an internal diameter less than the liner internal diameter respectively installed at the steel pipe two ends during cast, be poured into mixture in the steel pipe of horizontal then and mixture is evenly distributed; During centrifugal forming steel pipe is clipped on the centrifuge, the interior circle of steel pipe was rotated 20-60 minute with the linear velocity of 3-7 meter per second, and make the off-centre≤5mm of steel pipe; Curing is that mixture is dismantled back-up ring to the liner heating cure once forming the liner type in the centrifugal forming operation.
16,, it is characterized in that said resin is an alkyd resin according to the method for the described wear-and corrosion-resistant composite steel pipe of the described manufacturing of claim 15 claim 2.
17,, it is characterized in that said resin is a phenolic resin according to the method for the described wear-and corrosion-resistant composite steel pipe of the described manufacturing of claim 15 claim 3.
18, the method for closing steel pipe according to the described wear resistant corrosion resistant clam of the described manufacturing of claim 15 claim 3 is characterized in that said resin is an epoxy resin.
19, a kind of method of making the described wear-and corrosion-resistant composite steel pipe of claim 5, it comprises mixing gets the raw materials ready, cast, centrifugal forming, solidify the operation that is connected successively, mixing gets the raw materials ready is the resin of forming liner, particle diameter 0.16-5mm weight is weight resin 1.5-3.5 cast stone sand doubly, fineness 80-120 order weight is the 1-2.5 glass-cermic powder doubly of weight resin, be made into the bulk cargo that weight equals liner weight and mix into even mixture by artificial or stirrer, during cast the back-up ring of an internal diameter less than the liner internal diameter respectively installed at the steel pipe two ends, then mixture is poured in the steel pipe of horizontal, and mixture is evenly distributed; Centrifugal forming is that steel pipe is clipped on the centrifugal forming, makes that circle rotated 20-60 minute with the linear velocity of 3-7 meter per second in the steel pipe, and the off-centre of steel pipe is remained on ± 5mm within; Curing is that mixture in the centrifugal forming operation-formation liner type is dismantled back-up ring just to the liner heating cure.
20,, it is characterized in that said resin is an alkyd resin according to the method for the described wear-and corrosion-resistant composite steel pipe of the described manufacturing of claim 19 claim 6.
21,, it is characterized in that described resin is a phenolic resin according to the method for the described wear-and corrosion-resistant composite steel pipe of the described manufacturing of claim 19 claim 7.
22,, it is characterized in that said resin epoxy resin according to the method for the described wear-and corrosion-resistant composite steel pipe of the described manufacturing of claim 9 claim 8.
23, a kind of method of making the described wear-and corrosion-resistant composite steel pipe of claim 9, it comprises mixing gets the raw materials ready, cast, centrifugal forming, solidify the operation that is connected successively, it is characterized in that: mixing gets the raw materials ready is the water glass of forming liner, weight is water glass weight 0.08-0.12 prodan doubly, particle diameter 5mm-2/3 thickness of inner lining weight is 1-3 cast stone doubly of water glass weight, particle diameter 0.16-5mm weight is the 1-2 cast stone sand doubly of water glass weight, fineness 80-120 order weight is the 1-2 glass-cermic powder doubly of water glass weight, be made into the bulk cargo that weight equals liner weight and mix into uniform mixture by artificial or stirrer, during cast the back-up ring of an internal diameter less than the liner internal diameter respectively installed at the steel pipe two ends, be poured into mixture in the steel pipe of horizontal then and mixture is evenly distributed; During centrifugal forming steel pipe is clipped on the centrifuge, makes that circle rotated 20-60 minute with the linear velocity of 3-7 meter per second in the steel pipe, and the off-centre of steel pipe is remained on ± 5mm within; Mixture is dismantled back-up ring to the liner heating cure once forming the liner type when being solidificated in centrifugal forming.
24, a kind of method of making the described wear-and corrosion-resistant composite steel pipe of claim 10, it comprises mixing gets the raw materials ready, cast, centrifugal forming, solidify the operation that is connected successively, it is characterized in that: mix when getting the raw materials ready the water glass of forming liner, weight is water glass weight 0.08-0.12 prodan doubly, particle diameter 0.16-5mm weight is the 1-3 cast stone sand doubly of water glass weight, fineness 80-120 order weight is the 1-2 glass-cermic powder doubly of water glass weight, be made into the bulk cargo that weight equals liner weight and be mixed into uniform mixture by artificial or stirrer, during cast the back-up ring of an internal diameter less than the liner internal diameter respectively installed at the steel pipe two ends, mixture is poured in the steel pipe of horizontal and mixture is evenly distributed; During centrifugal forming steel pipe is clipped on the centrifuge, makes that circle rotated 20-60 minute with the linear velocity of 3-7 meter per second in the steel pipe, and the off-centre of steel pipe is remained on ± 5mm within; Mixture is dismantled back-up ring to the liner heating cure once forming the liner type when centrifugal forming.
25, a kind of method of making the described wear-and corrosion-resistant composite steel pipe of claim 11, it comprise mix get the raw materials ready, operation that cast, centrifugal forming and maintenance are connected successively, it is characterized in that: mix when getting the raw materials ready label 325-725
#Cement, particle diameter 5mm-2/3 thickness of inner lining weight are that 0.5-2 cast stone, the particle diameter 0.16-5mm weight doubly of cement weight is that cement weight 0.5-2 cast stone sand, weight doubly is that cement weight 0.28-0.6 water doubly is made into weight equal the not dewater bulk cargo of liner weight and mixes into uniform mixture by artificial or stirrer, during cast the back-up ring of an internal diameter less than the liner internal diameter respectively installed at the steel pipe two ends, mixture is poured in the steel pipe of horizontal and mixture is evenly distributed; During centrifugal forming steel pipe is clipped on the centrifuge, makes that circle rotated 20-60 minute with the linear velocity of 3-7 meter per second in the steel pipe, and the off-centre of steel pipe is remained on ± back-up ring of dismantling then within the 5mm; At last with conventional method maintenance 24 hours or with steam curing 2 hours.
26, a kind of method of making the described wear-and corrosion-resistant composite steel pipe of claim 12, it comprise mix get the raw materials ready, operation that cast, centrifugal forming and maintenance are connected successively, it is characterized in that: mix when getting the raw materials ready label 325-725
#Cement, particle diameter 0.16-5mm weight are that 1.5-2.5 cast stone sand, the weight doubly of cement weight is that cement weight 0.28-0.6 water doubly is made into weight equal the not dewater bulk cargo of liner weight and mixes into uniform mixture by artificial or stirrer, during cast the back-up ring of an internal diameter less than the liner internal diameter respectively installed at the steel pipe two ends, mixture is poured in the steel pipe of horizontal, and mixture is evenly distributed; During centrifugal forming steel pipe is clipped on the centrifuge, makes that circle rotated 20-60 minute with the linear velocity of 3-7 meter per second in the steel pipe, during rotation steel pipe off-centre remain on ± 5mm within; Remove back-up ring at last, with conventional method maintenance 24 hours or with steam curing 2 hours.
27, a kind of method of making the described wear-and corrosion-resistant composite steel pipe of claim 13, it comprises mixing gets the raw materials ready, cast, centrifugal forming, solidify the operation that is connected successively, it is characterized in that: mix when getting the raw materials ready furan, fineness 80-120 order weight is furan fat weight 1.5-2 furans powder doubly, particle diameter 5mm-2/3 thickness of inner lining weight is furan weight 2.1-4 cast stone doubly, particle diameter 0.16-5mm weight is the 1-1.5 cast stone sand doubly of furan weight, be made into the bulk cargo that weight equals liner weight and be mixed into uniform mixture by artificial or stirrer, during cast the back-up ring of an internal diameter less than the liner internal diameter respectively installed at the steel pipe two ends, then mixture is poured in the steel pipe, and mixture is evenly distributed; During centrifugal forming steel pipe is clipped on the centrifuge, makes that circle rotated 20-60 minute with the linear velocity of 3-7 meter per second in the steel pipe, during rotation steel pipe off-centre remain on ± 5mm within; Be solidificated in centrifugal forming operation mixture and dismantle back-up ring to the liner heating cure once forming the liner type.
28, a kind of method of making the described wear-and corrosion-resistant composite steel pipe of claim 14, it comprise mix get the raw materials ready, operation that cast, centrifugal forming, curing are connected successively, it is characterized in that: mix when getting the raw materials ready, doubly cast stone sand of furan, fineness 80-120 order weight are doubly furans powder of furan weight 1.3-2, particle diameter 0.16-5mm weight is furan weight 2.5-4.5, be made into the bulk cargo that weight equals liner weight and mix by artificial or stirrer; During cast the back-up ring of an internal diameter less than the liner internal diameter respectively installed at the steel pipe two ends, mixture is poured in the steel pipe, and mixture is evenly distributed; During centrifugal forming steel pipe is clipped on the centrifuge, makes that circle rotated 20-60 minute with the linear velocity of 3-7 meter per second in the steel pipe, during rotation the off-centre of steel pipe remain on ± 5mm within; Mixture is heated to liner once becoming the liner type back-up ring of dismantling during centrifugal forming, makes it solidifying and setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92112113 CN1029153C (en) | 1992-09-25 | 1992-09-25 | Wear- and corrosion-resistant composite steel pipe and mfg. method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92112113 CN1029153C (en) | 1992-09-25 | 1992-09-25 | Wear- and corrosion-resistant composite steel pipe and mfg. method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1072007A true CN1072007A (en) | 1993-05-12 |
| CN1029153C CN1029153C (en) | 1995-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92112113 Expired - Fee Related CN1029153C (en) | 1992-09-25 | 1992-09-25 | Wear- and corrosion-resistant composite steel pipe and mfg. method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN1029153C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057283C (en) * | 1996-12-11 | 2000-10-11 | 湖南雪峰水泥集团有限公司 | Prepn. and application tech. of special, wear-resistant, and inorganic gelatinization material |
| CN1077672C (en) * | 1997-11-03 | 2002-01-09 | 中国科学院金属研究所 | Particle-reinforced aluminum-base wear-resisting pipe and its production |
| CN101893137A (en) * | 2010-07-07 | 2010-11-24 | 张朋瑞 | Preparation method of compression resistant and wear resistant composite tube for conveying mortar and stone slurry |
| CN101900227A (en) * | 2010-02-09 | 2010-12-01 | 徐州胜海机械制造科技有限公司 | Ceramics particle strengthened composite material lining metal tube and manufacturing method thereof |
| CN102000653A (en) * | 2010-10-12 | 2011-04-06 | 新兴铸管股份有限公司 | Coating process of cast iron tube cement lining |
| CN102424969A (en) * | 2011-11-30 | 2012-04-25 | 中联重科股份有限公司 | Equipment and method for manufacturing inner liner of thin-wall pipe fitting |
| WO2013004021A1 (en) * | 2011-07-07 | 2013-01-10 | 长沙中联重工科技发展股份有限公司 | Concrete conveyor pipe and manufacturing method therefor |
| CN106122631A (en) * | 2016-08-30 | 2016-11-16 | 周茂振 | The concrete composite pipe of a kind of band corrosion-proof lining and production, assemble method |
| CN106187017A (en) * | 2015-05-08 | 2016-12-07 | 刘福源 | A kind of for making the compound of high-abrasive material and making the method for this high-abrasive material |
| CN110691939A (en) * | 2017-03-22 | 2020-01-14 | 半径***有限公司 | High-pressure fitting |
-
1992
- 1992-09-25 CN CN 92112113 patent/CN1029153C/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057283C (en) * | 1996-12-11 | 2000-10-11 | 湖南雪峰水泥集团有限公司 | Prepn. and application tech. of special, wear-resistant, and inorganic gelatinization material |
| CN1077672C (en) * | 1997-11-03 | 2002-01-09 | 中国科学院金属研究所 | Particle-reinforced aluminum-base wear-resisting pipe and its production |
| CN101900227B (en) * | 2010-02-09 | 2014-09-17 | 徐州胜海机械制造科技有限公司 | Ceramics particle strengthened composite material lining metal tube and manufacturing method thereof |
| CN101900227A (en) * | 2010-02-09 | 2010-12-01 | 徐州胜海机械制造科技有限公司 | Ceramics particle strengthened composite material lining metal tube and manufacturing method thereof |
| CN101893137A (en) * | 2010-07-07 | 2010-11-24 | 张朋瑞 | Preparation method of compression resistant and wear resistant composite tube for conveying mortar and stone slurry |
| CN102000653A (en) * | 2010-10-12 | 2011-04-06 | 新兴铸管股份有限公司 | Coating process of cast iron tube cement lining |
| CN102000653B (en) * | 2010-10-12 | 2012-05-30 | 河北新兴铸管有限公司 | Coating process of cast iron tube cement lining |
| WO2013004021A1 (en) * | 2011-07-07 | 2013-01-10 | 长沙中联重工科技发展股份有限公司 | Concrete conveyor pipe and manufacturing method therefor |
| CN102424969A (en) * | 2011-11-30 | 2012-04-25 | 中联重科股份有限公司 | Equipment and method for manufacturing inner liner of thin-wall pipe fitting |
| CN102424969B (en) * | 2011-11-30 | 2013-06-26 | 中联重科股份有限公司 | Equipment and method for manufacturing inner liner of thin-wall pipe fitting |
| CN106187017A (en) * | 2015-05-08 | 2016-12-07 | 刘福源 | A kind of for making the compound of high-abrasive material and making the method for this high-abrasive material |
| CN106122631A (en) * | 2016-08-30 | 2016-11-16 | 周茂振 | The concrete composite pipe of a kind of band corrosion-proof lining and production, assemble method |
| CN110691939A (en) * | 2017-03-22 | 2020-01-14 | 半径***有限公司 | High-pressure fitting |
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| Publication number | Publication date |
|---|---|
| CN1029153C (en) | 1995-06-28 |
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Inventor after: Wang Huibin Inventor after: Bai Mian Inventor after: Jin Wenxing Inventor after: Sun Yimin Inventor after: Wu Zhongzhong Inventor after: Yu Deqing Inventor after: Wang Shaowen Inventor after: Chen Mingbao Inventor after: Hao Shouyuan Inventor before: Sun Yimin Inventor before: Wang Shaowen Inventor before: Zou Erbing Inventor before: Ma Like Inventor before: Hao Shouyuan Inventor before: Bai Mian Inventor before: Yu Deqing Inventor before: Wu Zhongzhong Inventor before: Wang Huibin |
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