CN103899801A - Perpendicular welding joint copper alloy five-plate flow guiding one-way valve - Google Patents
Perpendicular welding joint copper alloy five-plate flow guiding one-way valve Download PDFInfo
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- CN103899801A CN103899801A CN201410162438.XA CN201410162438A CN103899801A CN 103899801 A CN103899801 A CN 103899801A CN 201410162438 A CN201410162438 A CN 201410162438A CN 103899801 A CN103899801 A CN 103899801A
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- 238000003466 welding Methods 0.000 title claims abstract description 27
- 229910000881 Cu alloy Inorganic materials 0.000 title abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 21
- 229910045601 alloy Inorganic materials 0.000 claims description 21
- 239000000956 alloy Substances 0.000 claims description 21
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 19
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000000395 magnesium oxide Substances 0.000 claims description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 12
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 12
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 11
- 210000003205 muscle Anatomy 0.000 claims description 9
- 239000004927 clay Substances 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 229910052788 barium Inorganic materials 0.000 claims description 4
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 230000001089 mineralizing effect Effects 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 abstract description 6
- 241000309551 Arthraxon hispidus Species 0.000 abstract 1
- 239000003208 petroleum Substances 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 16
- 239000003921 oil Substances 0.000 description 10
- 239000010779 crude oil Substances 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 5
- 239000013535 sea water Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 239000003129 oil well Substances 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 241001484259 Lacuna Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 210000003097 mucus Anatomy 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- 238000005292 vacuum distillation Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/021—Check valves with guided rigid valve members the valve member being a movable body around which the medium flows when the valve is open
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/04—Alloys containing less than 50% by weight of each constituent containing tin or lead
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seats
- F16K25/005—Particular materials for seats or closure elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/05—Flapper valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The invention relates to a valve special for oil drilling platform at sea, in particular to a perpendicular welding joint copper alloy five-plate flow guiding one-way valve. The one-way valve comprises a welding joint valve body, an upper flow guiding body, a lower flow guiding body, an upper half valve core and a lower half valve core, outer barrel external threads and outer barrel internal threads between the upper half valve core and the lower half valve core are matched in a closed mode, and the outer circle of the lower inner barrel and the inner circle of the upper inner barrel are matched in a closed mode to form a closed annular cavity; by the adoption of the cavity structure, the overall specific gravity of the combination of the upper half valve core and the lower half valve core is from the specific gravity of sea to the specific gravity of petroleum, the one-way valve can move in the medium flowing direction, and no extra energy is consumed in the whole working process of the one-way valve; an inner screw hole of a valve rod of the upper flow guiding body and an outer stud of a valve rod of the lower flow guiding body are spirally connected in a fastened mode, so that the structure is compact; an annular welding seam at the connecting position, of an outer screw joint head and an inlet-outlet pipeline of a system, outside the welding joint valve body is firm and reliable, and no spring or other middle objects which may cause large resistance loss exist in the welding joint valve body.
Description
Technical field
The present invention relates to a kind of offshore drilling platforms special valve, relate in particular to a kind of vertical welding joint Cuprum alloy five plate water conservancy diversion one-way valves without any obstruction parts such as springs.
Background technique
Continue nineteen twenty Venezuela utilizes wooden platform drilling well in lake, Maracaibo, has found after an elephant, and nineteen twenty-two, the former Soviet Union carried out offshore drilling success with trestle near oil field, the Caspian Sea Baku.After 1936, the U.S. starts to bore first deep-well at the sea in the Gulf of Mexico again, within 1938, builds up in the world marine oil field the earliest.40～sixties of 20th century, along with the development of welding technique and Iron And Steel Industry, the drilling rigs such as steel fixed platform, bottom-supported platform, jack-up unit are in succession there is, the marine site that makes offshore oil and gas exploitation expand 30 meters of depth of waters to., having there is mobile ocean drilling rig in nineteen fifty, has greatly improved drilling efficiency.Nineteen fifty-one, Saudi Arabia has found the offshore oilfield of maximum in the world.After the sixties in 20th century, along with the development of electronic computer technology and shipbuilding, mechanical industry, build up various large complicated offshore drillings, collection, the defeated facility of storage, promoted developing rapidly of offshore oil and gas exploitation.There are in the world at present nearly thousand offshore drilling platformses, each ocean all over the world.The Gulf of Mexico is the most active greater coasting area of drilling well in the world, at present operation just have more than a 19000 mouthful of well, thing followed offshore field accident also occurs again and again.
As everyone knows, the expense of the each maintenance of offshore drilling platforms system is all surprising, and seawater self contains various corrosivity mixtures, and offshore drilling platforms in use, in crude oil, contain various corrosivity mixtures, oil field in recovery process, moisture and other Korrosionsmediums all in general oil well liquid-producing, the water in crude oil, along with crude oil is vaporized in heating process, increase the gas phase load of pipeline, caused atmospheric and vacuum distillation unit operation fluctuation, when serious, can cause the tower accident of rushing.MgC12 in crude oil and CaC12 can be hydrolyzed to produce has corrosive HCl, and HCl formation hydrochloric acid soluble in water, has very strong corrosive action, causes the corrosion of delivery pipeline system.Crude oil is outwards carried through oil transport pipeline from oil well produced, and the block clearing cost after any oil circuit maintenance or replacing and line clogging is higher, and affects for a long time oil well production.
Any component in offshore drilling platforms system are all wanted to stand seawater corrosion, in offshore drilling platforms system pipeline, the essential one-way valve of all will using completes whole course of conveying, the one-way valve using at present, picture: steel ball type, valve type and gravity type, the major defect of existence is: inside causes owing to being provided with spring the drag losses that generation is larger.Particularly in torrent pipeline, use, impact generation bias voltage or malfunctioning once damping spring can not bear torrent, just likely cause unpredictalbe accident to occur.
No matter be offshore field or land oil well, the prominent features of well-known slide beam oil rig is intermittence acting, is therefore the sensitivity of one-way valve and the Pinch technology that always becomes this device working life on supporting pipeline with it.
In previous International Patent Application PCT/AU02/00861, described a kind of one-way valve, it transmits malleation, in case backflow.In this control valve unit, a sliding spool is provided, it is connected with bias voltage fin/diaphragm (web), and the movement of this plunger stretches this fin or shrinks.This fin forms a part for a variable volume chamber, to keep malleation.This valve and being for a shortcoming of other one-way valves of great majority of medical domain, this valve is usually included in the sliding spool sliding between open position and closed position.This sliding spool is biased time closed position conventionally, causes leaking.
China's number of patent application: 90108376.3 one-way valves and application number: the sequence fluid one way valve of 91102122.1 low controlling-pressures etc. all exists whole process will overcome Returnning spring resistance.The matching used one-way valves of institute such as self-priming pump also all exist whole process will overcome gravitational resistance, cause additionally increasing energy consumption.
Summary of the invention
The object of this invention is to provide a kind of soldered splice valve body outside solid and reliable by the circular weld of outer screw joint and system turnover pipeline connection, valve inner without any obstruction parts such as springs, is particularly suitable for using in mucus or torrent pipeline; Thoroughly avoid impacting generation bias voltage or malfunctioning caused chance failure because damping spring can not bear torrent; And between first spool and second spool assemblying body, form ring cavity structure, make overall proportion between sea water specific gravity and oil proportion, can move along with media flow direction, work is omnidistance without the extra one-way valve that consumes any energy consumption.Adopt following technology:
A kind of vertical welding joint Cuprum alloy five plate water conservancy diversion one-way valves, comprise soldered splice valve body, upper deflector, lower deflector, first spool and second spool, there is valve body bevel for welding at the two ends up and down of described soldered splice valve body cylindrical, the interior round tube hole of described soldered splice valve body top bar respectively up and down hole and the hole of getting out of a predicament or an embarrassing situation; Described upper deflector planar ends is being fixedly connected with and is going up cylindrical body, upper cylindrical body below transition is dwindled and is connected with runner round bar, runner round bar transition amplification is connected with cylinder valve rod, there is valve rod inner bolt hole cylinder valve rod lower end surface, and described upper cylindrical body excircle dimension is identical with described cylinder valve rod excircle dimension; On described upper deflector exterior arc surface, there are upper five plates in location, locate upper five plate outer rims and coordinate with the described interporal lacuna of topping bar; Described lower deflector planar ends has the outer double-screw bolt of valve rod to be connected with described valve rod inner bolt hole screw-tightened, on described lower deflector exterior arc surface, there are lower five plates in location, the lower five plate outer rims in location coordinate with the described interporal lacuna of getting out of a predicament or an embarrassing situation, as improvement: have between the upper taper cone barrel of first described spool and upper cone to connect muscle on three leaves and be connected, described upper taper cone barrel outer rim is connected with urceolus internal thread, described upper taper cone barrel inner edge is connected with inner core inner circle, on the spool on described upper cone between inner circle and described upper cylindrical body cylindrical for being slidably matched; Between the lower taper cone barrel of second described spool and lower cone, have and under three leaves, connect muscle and be connected, described lower taper cone barrel outer rim is connected with urceolus outside thread and described airtight the matching of urceolus internal thread, and described lower taper cone barrel inner edge is connected with lower inner core cylindrical and described airtight the matching of upper inner core inner circle; Under spool in spool in described lower inner core inner circle on inner circle and described lower cone inner circle measure-alike and all and between described cylinder valve rod cylindrical for being slidably matched; First described spool cylindrical equate with second described spool cylindrical and all and between described interior round tube hole for being slidably matched; On described location, under five plates and described location, single leaf thickness of five plates is 5 to 6 millimeters.
As further improvement: it is the Cuprum alloy hard anticorrosive material of 0.4 to 0.6 millimeter that described upper cylindrical body outer surface and described barrel valve rod outer surface all have a layer thickness, described Cuprum alloy hard anticorrosive material is made up of the element of following weight percentage: Cu:43-45, Ni:5-7, Cr:12-14, Mo:7-9, Zn:20-22, Sn:3-5, and surplus is Fe and inevitable impurity; The weight percent content of described impurity is: O.07 C is less than, Si is less than 0.23, Mn is less than 0.28, S is less than O.Ol3, O.018 P is less than.
As further improvement: first described spool and second described spool are silicon nitride ceramics, take Si3N4 (silicon nitride) as base-material, be equipped with mineralizing agent MgO (magnesium oxide), BaCO3(barium carbouate) and bonding clay composition, and the weight percent content of its each component is Si3N4:93-94; MgO:1.6-1.8; BaCO3:2.2-2.4; Comprehensive clay: 2.3-2.4.
As further improvement: described urceolus internal thread 62 and the nominal diameter of urceolus outside thread 72 are all 180 to 182 millimeters.
As further improvement: the nominal diameter of described upper inner core 63 inner circles and described lower inner core 73 cylindricals is all 125 to 127 millimeters.
As further improvement: the cylindrical nominal diameter of described valve body bevel for welding 55 is 225 to 227 millimeters.
As further improvement: described interior round tube hole 57 diameters are 190 to 192 millimeters.
As further improvement: described diameter of topping bar hole 53 and the described hole 58 of getting out of a predicament or an embarrassing situation is 205 to 207 millimeters.
Advantage of the present invention is:
1. the urceolus outside thread between first spool and second spool matches with urceolus internal thread is airtight, and lower inner core cylindrical and airtight the matching of upper inner core inner circle, form airtight ring cavity, adopt cavity structure to make the overall proportion of first spool and second spool assemblying body between sea water specific gravity and oil proportion, can move along with media flow direction, work is omnidistance without the extra one-way valve that consumes any energy consumption;
2. go up the outer double-screw bolt (89) of the valve rod inner bolt hole of deflector and the valve rod of lower deflector and be connected with described screw-tightened, compact structure;
3. the entirety of first spool and second spool assemblying body adopts silicon nitride ceramics, all having a layer thickness in conjunction with upper cylindrical body and barrel valve rod outer surface is the Cuprum alloy hard anticorrosive material of 0.4 to 0.6 millimeter, can stand seawater corrosion, there is good wear resistance, high temperature resistant, corrosion-resistant and impact resistance is strong, guarantee before annual system equipment general overhaul normally to move;
4. soldered splice valve body of the present invention outside is solid and reliable by the circular weld of outer screw joint and system turnover pipeline connection, and soldered splice valve inner may produce the central object of larger drag losses without spring etc., be particularly suitable for using in mucus or torrent pipeline; Thoroughly avoided impacting generation bias voltage or malfunctioning caused chance failure because damping spring can not bear torrent, extended to a great extent working life, direct benefit and indirect benefit are all very objective.
Accompanying drawing explanation
Figure l is the sectional drawing forward circulation status that the present invention crosses shaft axis.
Fig. 2 be in figure l the present invention in reverse blocking state.
Fig. 3 is the sectional axonometric drawing of first spool 60 and second spool 70 assemblying bodys in Fig. 1.
Fig. 4 is the sectional drawing of first spool 60 and second spool 70 assemblying bodys in Fig. 1.
Fig. 5 is A-A sectional view in Fig. 1.
Fig. 6 is B-B sectional view in Fig. 1.
Fig. 7 is C-C sectional view in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the invention will be further described:
In figure l, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, a kind of vertical welding joint Cuprum alloy five plate water conservancy diversion one-way valves, comprise soldered splice valve body 50, upper deflector 30, lower deflector 80, first spool 60 and second spool 70, there is valve body bevel for welding 55 at the two ends up and down of described soldered splice valve body 50 cylindricals, the interior round tube hole 57 of described soldered splice valve body 50 top bar respectively up and down hole 53 and the hole 58 of getting out of a predicament or an embarrassing situation, described upper deflector 30 planar ends are being fixedly connected with and are going up cylindrical body 32, upper cylindrical body 32 below transition are dwindled and are connected with runner round bar 34, the 34 transition amplifications of runner round bar are connected with cylinder valve rod 31, there is valve rod inner bolt hole 39 cylinder valve rod 31 lower end surfaces, and described upper cylindrical body 32 excircle dimensions are identical with described cylinder valve rod 31 excircle dimensions, on described upper deflector 30 exterior arc surfaces, there are upper five plates 35 in location, locate upper five plate 35 outer rims and described hole 53 Spielpassung of topping bar, described lower deflector 80 planar ends have the outer double-screw bolt 89 of valve rod to be connected with described valve rod inner bolt hole 39 screw-tightened, on described lower deflector 80 exterior arc surfaces, there are lower five plates 85 in location, lower five plate 85 outer rims in location and described hole 58 Spielpassung of getting out of a predicament or an embarrassing situation, as improvement: have between the upper taper cone barrel 69 of first described spool 60 and upper cone 68 to connect muscle 61 on three leaves and be connected, described upper taper cone barrel 69 outer rims are connected with urceolus internal thread 62, described upper taper cone barrel 69 inner edges are connected with inner core 63 inner circles, on spool on described upper cone 68 between inner circle 64 and described upper cylindrical body 32 cylindricals for being slidably matched, between the lower taper cone barrel 79 of second described spool 70 and lower cone 78, have and under three leaves, connect muscle 71 and be connected, described lower taper cone barrel 79 outer rims are connected with urceolus outside thread 72 and described airtight the matching of urceolus internal thread 62, and described lower taper cone barrel 79 inner edges are connected with lower inner core 73 cylindricals and described airtight the matching of upper inner core 63 inner circles, under spool in spool in described lower inner core 73 inner circles on inner circle 75 and described lower cone 78 inner circle 74 measure-alike and all and between described cylinder valve rod 31 cylindricals for being slidably matched, first described spool 60 cylindricals equate with second described spool 70 cylindricals and all and between described interior round tube hole 57 for being slidably matched, on described location, under five plates 35 and described location, single leaf thickness of five plates 85 is 5 to 6 millimeters.
As further improvement: it is the Cuprum alloy hard anticorrosive material of 0.4 to 0.6 millimeter that described upper cylindrical body 32 outer surfaces and described cylinder valve rod 31 outer surfaces all have a layer thickness, described Cuprum alloy hard anticorrosive material is made up of the element of following weight percentage: Cu:43-45, Ni:5-7, Cr:12-14, Mo:7-9, Zn:20-22, Sn:3-5, and surplus is Fe and inevitable impurity; The weight percent content of described impurity is: O.07 C is less than, Si is less than 0.23, Mn is less than 0.28, S is less than O.Ol3, O.018 P is less than.
As further improvement: first described spool 60 and second described spool 70 are silicon nitride ceramics, take Si3N4 (silicon nitride) as base-material, be equipped with mineralizing agent MgO (magnesium oxide), BaCO3(barium carbouate) and bonding clay composition, and the weight percent content of its each component is Si3N4:93-94; MgO:1.6-1.8; BaCO3:2.2-2.4; Comprehensive clay: 2.3-2.4.
As further improvement: described urceolus internal thread 62 and the nominal diameter of urceolus outside thread 72 are all 180 to 182 millimeters.
As further improvement: the nominal diameter of described upper inner core 63 inner circles and described lower inner core 73 cylindricals is all 125 to 127 millimeters.
As further improvement: the cylindrical nominal diameter of described valve body bevel for welding 55 is 225 to 227 millimeters.
As further improvement: described interior round tube hole 57 diameters are 190 to 192 millimeters.
As further improvement: described diameter of topping bar hole 53 and the described hole 58 of getting out of a predicament or an embarrassing situation is 205 to 207 millimeters.
In embodiment:
It is the Cuprum alloy hard anticorrosive material of 0.5 millimeter that upper cylindrical body 32 outer surfaces and cylinder valve rod 31 outer surfaces all have a layer thickness, Cuprum alloy hard anticorrosive material is made up of the element of following weight percentage: Cu:44, Ni:6, Cr:13, Mo:8, Zn:21, Sn:4, and surplus is Fe and inevitable impurity; The weight percent content of described impurity is: O.07 C is less than, Si is less than 0.23, Mn is less than 0.28, S is less than O.Ol3, P and is less than O.018;
The nominal diameter of urceolus internal thread 62 and urceolus outside thread 72 is all 181 millimeters, the nominal diameter of upper inner core 63 inner circles and lower inner core 73 cylindricals is all 126 millimeters, the cylindrical nominal diameter of valve body bevel for welding 55 is 226 millimeters, interior round tube hole 57 diameters are 191 millimeters, and the diameter in top bar hole 53 and the hole 58 of getting out of a predicament or an embarrassing situation is 206 millimeters.
The outer diameter of a circle of runner round bar 34 is 34 millimeters, and upper cylindrical body 32 cylindricals and the outer diameter of a circle of cylinder valve rod 31 are all 110 millimeters.
Main body assembling process:
1. second spool 70 is assembled with first spool 60.
On urceolus internal thread 62 and urceolus outside thread 72, all coat epoxy resin sealant, on the matching surface of upper inner core 63 inner circles and lower inner core 73 cylindricals, all coat epoxy resin sealant.
By first spool 60 upper inner core 63 inner circles aim at lower inner core 73 cylindricals of second spool 70, then by first spool 60 urceolus internal thread 62 rotate and coordinate with the urceolus outside thread 72 of second spool 70, formed airtight ring cavity 66.
2. overall package.
The first step: five plates 35 on the location of upper deflector 30 are placed on to topping bar in hole 53 of soldered splice valve body 50, then inner circle 74 under inner circle 75 and spool in inner circle 64 and spool on the spool of assembling in second spool 70 of all-in-one-piece and first spool 60 is slidably matched successively and is inserted in barrel valve bar 31.
Second step: five plates 85 under the location of lower deflector 80 are placed on to getting out of a predicament or an embarrassing situation in hole 58 of soldered splice valve body 50, the lower deflector 80 of rotation orders about the outer double-screw bolt 89 of valve rod and is rotatably connected with valve rod inner bolt hole 39, lower five plates 85 in location and upper five plates 35 in location is fixed on respectively get out of a predicament or an embarrassing situation hole 58 and tops bar on hole 53.
Pipeline connects:
There is valve body bevel for welding 55 to connect with system in-line 42 and the fuel-displaced pipeline 41 of system respectively at the two ends up and down of soldered splice valve body 50 cylindricals, form respectively firmly oil-feed circular weld 46 and fuel-displaced circular weld 44.
Using process:
The present invention entirety is vertical places, and the weight that is every 1 mm cube with first spool 60 of ring cavity 66 and the overall proportion of second spool 70 assemblying bodys is 1 gram.When the present invention is static in stopping state.
In Fig. 1, while flowing from bottom to top from the crude oil of system in-line, promote to move on first spool 60 and second spool 70 assemblying bodys, crude stream is through locating down five plates 85 runner of living in, enter into have between the lower taper cone barrel 79 of second spool 70 and lower cone 78 and under three leaves, connect muscle 71 runner of living in, the passage between inner circle 75 in runner round bar 34 cylindricals and spool of flowing through again, enter into and on three leaves, connect muscle 61 runner of living in, flow through again after upper five plate 35 in location runner of living in, flow out and enter into the fuel-displaced pipeline of system.
In Fig. 2, from the crude oil of the fuel-displaced pipeline of system because fortuitous event is from top to bottom when adverse current, promote first spool 60 and second spool 70 assemblying bodys and move down, in spool, inner circle 75 is slidably matched with cylinder valve rod 31 cylindrical precisions, and the runner between lower five plates 85 in location and upper five plates 35 in location is cut off closes.Top-down crude oil passes through upper five plate 35 in location runner of living in, enter into again after connecting muscle 61 runner of living on three leaves and be cut off, effectively stop adverse current to avoid contingency generation, and work whole process just can realize one-way valve effect without additionally consuming any energy consumption again.
The anti-corrosion wear laboratory data contrast of (table 1) silicon nitride ceramics spool and conventional stainless steel material spool
(table 2) is the aluminum alloy hard anticorrosive material coating of upper cylindrical body 32 outer surfaces and cylinder valve rod 31 outer surfaces, with the surface roughness extent of damage laboratory data contrast of conventional stainless steel
Without any obstruction parts such as springs in one-piece element of the present invention, adopt with first spool 60 of ring cavity 66 and second spool 70 assemblying bodys entirety when static in stopping status techniques, switch unimpeded or cut-off state by the flowing medium in system pipeline self flow direction, whole work whole process just can realize one-way valve effect without any energy consumption of extra consumption.Contrasting data in associative list 1 and table 2 can draw: the surface abrasion etching extent of silicon nitride ceramic material is far fewer than the surface abrasion etching extent of conventional stainless steel; Upper cylindrical body 32 outer surfaces of aluminum alloy hard anticorrosive material and the surface roughness extent of damage of cylinder valve rod 31 outer surfaces are much smaller than the surface roughness extent of damage of conventional stainless steel.
The present invention can guarantee before annual system equipment general overhaul normally to move, and has thoroughly eliminated the hidden danger that affects offshore drilling platforms system pipeline and stop fault because of one-way valve fault.
Claims (8)
1. vertical welding joint Cuprum alloy five plate water conservancy diversion one-way valves, comprise soldered splice valve body (50), upper deflector (30), lower deflector (80), first spool (60) and second spool (70), there is valve body bevel for welding (55) at the two ends up and down of described soldered splice valve body (50) cylindrical, the interior round tube hole (57) of described soldered splice valve body (50) top bar respectively up and down hole (53) and the hole of getting out of a predicament or an embarrassing situation (58), described upper deflector (30) planar ends is being fixedly connected with and is going up cylindrical body (32), upper cylindrical body (32) below transition is dwindled and is connected with runner round bar (34), runner round bar (34) transition amplification is connected with cylinder valve rod (31), there is valve rod inner bolt hole (39) cylinder valve rod (31) lower end surface, and described upper cylindrical body (32) excircle dimension is identical with described cylinder valve rod (31) excircle dimension, on described upper deflector (30) exterior arc surface, there are upper five plates in location (35), locate between upper five plates (35) outer rim and the described hole of topping bar (53) as being slidably matched, described lower deflector (80) planar ends has the outer double-screw bolt (89) of valve rod to be connected with described valve rod inner bolt hole (39) screw-tightened, on described lower deflector (80) exterior arc surface, there are lower five plates (85) in location, between lower five plates (85) outer rim in location and the described hole of getting out of a predicament or an embarrassing situation (58) for being slidably matched, it is characterized in that: between the upper taper cone barrel (69) of described first spool (60) and upper cone (68), have on three leaves, to connect muscle (61) and be connected, described upper taper cone barrel (69) outer rim is connected with urceolus internal thread (62), described upper taper cone barrel (69) inner edge is connected with inner core (63) inner circle, on spool on described upper cone (68) between inner circle (64) and described upper cylindrical body (32) cylindrical for being slidably matched, between the lower taper cone barrel (79) of described second spool (70) and lower cone (78), have and under three leaves, connect muscle (71) and be connected, described lower taper cone barrel (79) outer rim is connected with urceolus outside thread (72) and described airtight the matching of urceolus internal thread (62), and described lower taper cone barrel (79) inner edge is connected with lower inner core (73) cylindrical and described airtight the matching of upper inner core (63) inner circle, under spool in spool in described lower inner core (73) inner circle on inner circle (75) and described lower cone (78) inner circle (74) measure-alike and all and between described cylinder valve rod (31) cylindrical for being slidably matched, described first spool (60) cylindrical equate with described second spool (70) cylindrical and all and between described interior round tube hole (57) for being slidably matched, on described location, under five plates (35) and described location, single leaf thickness of five plates (85) is 5 to 6 millimeters.
2. a kind of vertical welding joint Cuprum alloy five plate water conservancy diversion one-way valves according to claim 1, it is characterized in that: it is the Cuprum alloy hard anticorrosive material of 0.4 to 0.6 millimeter that described upper cylindrical body (32) outer surface and described cylinder valve rod (31) outer surface all have a layer thickness, described Cuprum alloy hard anticorrosive material is made up of the element of following weight percentage: Cu:43-45, Ni:5-7, Cr:12-14, Mo:7-9, Zn:20-22, Sn:3-5, and surplus is Fe and inevitable impurity; The weight percent content of described impurity is: O.07 C is less than, Si is less than 0.23, Mn is less than 0.28, S is less than O.Ol3, O.018 P is less than.
3. a kind of vertical welding joint Cuprum alloy five plate water conservancy diversion one-way valves according to claim 1, it is characterized in that: described first spool (60) and described second spool (70) are silicon nitride ceramics, take Si3N4 (silicon nitride) as base-material, be equipped with mineralizing agent MgO (magnesium oxide), BaCO3(barium carbouate) and bonding clay composition, and the weight percent content of its each component is Si3N4:93-94; MgO:1.6-1.8; BaCO3:2.2-2.4; Comprehensive clay: 2.3-2.4.
4. a kind of vertical welding joint Cuprum alloy five plate water conservancy diversion one-way valves according to claim 1, is characterized in that: described urceolus internal thread (62) and the nominal diameter of urceolus outside thread (72) are all 180 to 182 millimeters.
5. a kind of vertical welding joint Cuprum alloy five plate water conservancy diversion one-way valves according to claim 1, is characterized in that: the nominal diameter of described upper inner core (63) inner circle and described lower inner core (73) cylindrical is all 125 to 127 millimeters.
6. a kind of vertical welding joint Cuprum alloy five plate water conservancy diversion one-way valves according to claim 1, is characterized in that: the cylindrical nominal diameter of described valve body bevel for welding (55) is 225 to 227 millimeters.
7. a kind of vertical welding joint Cuprum alloy five plate water conservancy diversion one-way valves according to claim 1, is characterized in that: described interior round tube hole (57) diameter is 190 to 192 millimeters.
8. a kind of vertical welding joint Cuprum alloy five plate water conservancy diversion one-way valves according to claim 1, is characterized in that: the diameter in the described hole of topping bar (53) and the described hole of getting out of a predicament or an embarrassing situation (58) is 205 to 207 millimeters.
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| CN201410162438.XA CN103899801B (en) | 2014-04-22 | 2014-04-22 | A kind of vertical welding joint Cuprum alloy five plate water conservancy diversion one-way valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806675A (en) * | 2015-03-31 | 2015-07-29 | 张志雄 | Welding valve zinc alloy piston buffered sea wind power generation instrument |
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| GB813183A (en) * | 1956-03-16 | 1959-05-13 | Baker Oil Tools Inc | Drill pipe non-return valve |
| US4270569A (en) * | 1978-10-16 | 1981-06-02 | Christensen Inc. | Valve assembly for the remote control of fluid flow having an automatic time delay |
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| CN103899801B (en) | 2016-03-16 |
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