CN103899797A

CN103899797A - Hoop connector six-plate diversion vertical one-way valve made of titanium alloy

Info

Publication number: CN103899797A
Application number: CN201410162437.5A
Authority: CN
Inventors: 张筱秋
Original assignee: Individual
Current assignee: Jiangsu Trust Valve Co ltd
Priority date: 2014-04-22
Filing date: 2014-04-22
Publication date: 2014-07-02
Anticipated expiration: 2034-04-22
Also published as: CN103899797B

Abstract

The invention relates to a special valve for an offshore oil drilling platform, in particular to a hoop connector six-plate diversion vertical one-way valve made of titanium alloy. The diversion vertical one-way valve made of the titanium alloy comprises a hoop connector valve body, an upper diversion body, a lower diversion body, an upper half valve element and a lower half valve element. The outer edge of a lower conical cylinder is connected with a lower cylinder step inner circle matched with an upper cylinder step outer circle in a sealed mode. The inner edge of the lower conical cylinder is connected with a lower cylinder external thread matched with an upper cylinder internal thread in a sealed mode. A valve element middle inner circle on the inner side of the lower cylinder external thread and a valve element lower inner circle on the lower conical cylinder are the same in size and are in sliding fit with a cylindrical valve rod outer circle. An upper half valve element outer circle and a lower half valve element outer circle are the same in size and are in sliding fit with an inner circle through hole. The thickness of single blade of a positioning upper six plate and a positioning lower six plate ranges from 4 millimeters to 5 millimeters. The hoop connector valve body is not internally provided with a spring or other middle objects which probably produce large resistance losses, the accidental faults caused by bias pessure or failure due to the fact that the damping spring cannot bear torrent impact are avoided thoroughly, and the service life of the special valve is prolonged.

Description

The vertical one-way valve of a kind of thimble connector six plate water conservancy diversion titanium alloy

Technical field

The present invention relates to a kind of offshore drilling platforms special valve, relate in particular to the vertical one-way valve of a kind of thimble connector six plate water conservancy diversion titanium alloy 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, therefore the sensitivity of one-way valve and always become the Pinch technology of 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 thimble connector valve body outside is fast connected with system turnover pipeline with the right half-watt of clip by two groups of fastening left half-watts of clip of bolt and nut, valve inner is without any obstruction parts such as springs, and moving valve core adopts cavity structure to make moving valve core entirety proportion between sea water specific gravity and oil proportion, work is omnidistance without the extra one-way valve that consumes any energy consumption, adopts following technology:

The vertical one-way valve of a kind of thimble connector six plate water conservancy diversion titanium alloy, comprise thimble connector valve body, upper deflector, lower deflector, first spool and second spool, there is lower pipe clip head the lower end of described thimble connector valve body cylindrical, there is the pipe clip of going out head the lower end of described thimble connector valve body cylindrical, described lower pipe clip head exterior edge face has the inlet pipe road plane-sealed of pipe plane and system inlet pipe joint exterior edge face under valve to be close to, described go out pipe clip head exterior edge face and have valve to go out the pipeline plane-sealed that goes out that pipe plane and system go out pipe joint exterior edge face to be close to, described inlet pipe road plane and go out pipeline plane dorsal surface and have pipeline frustum face, under described valve pipe plane and valve go out pipe plane dorsal surface have valve pipe frustum face and described pipeline frustum face symmetrical, assembled in pairs is by having respectively laterally zygomorphic left taper hole face and right taper hole face on the fastening left half-watt of clip of two groups of bolt and nuts and the right half-watt of clip, left taper hole face and right taper hole face match with described valve pipe frustum face and pipeline frustum face simultaneously, the interior round tube hole of described thimble connector 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 six plates in location, locate upper six plate outer rims and described topping bar between hole as being slidably matched, 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 six plates in location, the lower six plate outer rims in location and described getting out of a predicament or an embarrassing situation between hole as being slidably matched, 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 top cylinder step cylindrical, described upper taper cone barrel inner edge is connected with top cylinder internal thread, on 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 doffing step inner circle and described airtight the matching of top cylinder step cylindrical, and described lower taper cone barrel inner edge is connected with doffing outside thread and described airtight the matching of top cylinder internal thread, under spool in the spool of described doffing outside thread inner side 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 six plates and described location, single leaf thickness of six plates is 4 to 5 millimeters.

As further improvement: it is the titanium 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 titanium alloy hard anticorrosive material is made up of the element of following weight percentage: Ti:47-48, Cu:8-9, WC:6.7-6.9, Ni:7-8, Cr:6-7, Sn:1-2, Zn:5-6, Co:1-2, 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 0.17, Mn is less than 0.27, S is less than O.O7, O.016 P is less than.

As further improvement: first described spool and second described spool are silicon carbide ceramics, taking silicon carbide SiC (silicon carbide) 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 SiC:93-94; MgO:1.9-2.1; BaCO3:2.5-2.6; Comprehensive clay: 2.6-2.7.

As further improvement: the nominal diameter of described top cylinder step cylindrical and doffing step inner circle is all 202 to 204 millimeters.

As further improvement: described top cylinder internal thread and the described externally threaded nominal diameter of doffing are all 137 to 139 millimeters.

As further improvement: described inner circle through-hole diameter is 216 to 218 millimeters.

As further improvement: described diameter of topping bar hole and the described hole of getting out of a predicament or an embarrassing situation is 227 to 229 millimeters.

Advantage of the present invention is:

1. the top cylinder internal thread between first spool and second spool matches with doffing outside thread is airtight, and doffing step inner circle and airtight the matching of top cylinder step cylindrical, 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 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 carbide ceramics, all having a layer thickness in conjunction with upper cylindrical body and barrel valve rod outer surface is the titanium 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. thimble connector valve body of the present invention outside is fast connected with system turnover pipeline with the right half-watt of clip by two groups of fastening left half-watts of clip of bolt and nut, thimble connector 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.

Brief description of the drawings

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.

To be assembled in pairs in Fig. 1 or Fig. 2 go out the cross sectional view of pipe joint 13 outer ends by the left half-watt 21 of clip of two groups of bolt and nuts 11 and the right half-watt 22 of clip to Fig. 5 from system.

A-A sectional view in Fig. 6 Fig. 1.

B-B sectional view in Fig. 7 Fig. 1.

C-C sectional view in Fig. 8 Fig. 1.

Fig. 9 is that the system in Fig. 1 or Fig. 2 goes out pipe joint 13 and goes out pipe clip head 54 and a pair of left half-watt 21 of clip of top and the partial enlarged drawing at the right half-watt of clip 22 positions of living in of being positioned at.

Figure 10 is upper deflector 30, first spool 60 and second spool 70 in Fig. 1 and the partial enlarged drawing at lower deflector 80 positions of living in.

Figure 11 is upper deflector 30, first spool 60 and second spool 70 in Fig. 2 and the partial enlarged drawing at lower deflector 80 positions of living in.

Figure 12 be system inlet pipe joint 18 in Fig. 1 or Fig. 2 and lower pipe clip head 59 with another to being positioned at the left half-watt 21 of clip of below and the partial enlarged drawing at the right half-watt of clip 22 positions of living in.

Embodiment

Below in conjunction with accompanying drawing, by embodiment, the invention will be further described:

Figure l, Fig. 2, Fig. 3, Fig. 4, Fig. 5, in Fig. 6 and Fig. 7, the vertical one-way valve of a kind of thimble connector six plate water conservancy diversion titanium alloy, comprise thimble connector valve body 50, upper deflector 30, lower deflector 80, first spool 60 and second spool 70, there is lower pipe clip head 59 lower end of described thimble connector valve body 50 cylindricals, there is the pipe clip of going out head 54 lower end of described thimble connector valve body 50 cylindricals, there are 19 airtight being close to of inlet pipe road plane of pipe plane under valve 91 and system inlet pipe joint 18 exterior edge faces described lower pipe clip head 59 exterior edge faces, described go out that pipe clip head 54 exterior edge faces have that valve goes out that pipe plane 41 and system go out pipe joint 13 exterior edge faces go out that pipeline plane 14 is airtight to be close to, described inlet pipe road plane 19 and go out pipeline plane 14 dorsal surfaces and have pipeline frustum face 12, under described valve, pipe plane 91 and valve go out pipe plane 41 dorsal surfaces has valve pipe frustum face 52 symmetrical with described pipeline frustum face 12, assembled in pairs is by having respectively laterally zygomorphic left taper hole face 29 and right taper hole face 28 on the fastening left half-watt 21 of clip of two groups of bolt and nuts 11 and the right half-watt 22 of clip, left taper hole face 29 and right taper hole face 28 match with described valve pipe frustum face 52 and pipeline frustum face 12 simultaneously, the interior round tube hole 57 of described thimble connector 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 six plates 35 in location, locate upper six plate 35 outer rims and described topping bar between hole 53 as being slidably matched, 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 six plates 85 in location, lower six plate 85 outer rims in location and described getting out of a predicament or an embarrassing situation between hole 58 as being slidably matched, 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 top cylinder step cylindrical 62, described upper taper cone barrel 69 inner edges are connected with top cylinder internal thread 63, 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 doffing step inner circle 72 and described top cylinder step cylindrical 62 airtight matching, and described lower taper cone barrel 79 inner edges are connected with doffing outside thread 73 and described airtight the matching of top cylinder internal thread 63, under spool in the spool of described doffing outside thread 73 inner sides 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 six plates 35 and described location, single leaf thickness of six plates 85 is 4 to 5 millimeters.

As further improvement: it is the titanium 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 titanium alloy hard anticorrosive material is made up of the element of following weight percentage: Ti:47-48, Cu:8-9, WC:6.7-6.9, Ni:7-8, Cr:6-7, Sn:1-2, Zn:5-6, Co:1-2, 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 0.17, Mn is less than 0.27, S is less than O.O7, O.016 P is less than.

As further improvement: first described spool 60 and second described spool 70 are silicon carbide ceramics, taking silicon carbide SiC (silicon carbide) 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 SiC:93-94; MgO:1.9-2.1; BaCO3:2.5-2.6; Comprehensive clay: 2.6-2.7.

As further improvement: described top cylinder step cylindrical 62 and the nominal diameter of doffing step inner circle 72 are all 202 to 204 millimeters.

As further improvement: the nominal diameter of described top cylinder internal thread 63 and described doffing outside thread 73 is all 137 to 139 millimeters.

As further improvement: described interior round tube hole 57 diameters are 216 to 218 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 227 to 229 millimeters.

In embodiment:

Described titanium alloy hard anticorrosive material is made up of the element of following weight percentage: Ti:47.5, Cu:8.5, WC:6.8, Ni:7.5, Cr:6.5, Sn:1.5, Zn:5.5, Co:1.5, and surplus is Fe and inevitable impurity; The weight percent content of described impurity is: C for O.06, Si is 0.16, Mn is 0.25, S is O.O5, P for O.015.

The weight percent content of the described each component of SiC (silicon carbide) is SiC:93.5; MgO:2.0; BaCO3:2.55; Comprehensive clay: 2.65.

On described location, under six plates 35 and described location, single leaf thickness of six plates 85 is 4.5 millimeters, described top cylinder step cylindrical 62 and the nominal diameter of doffing step inner circle 72 are all 203, the nominal diameter of described top cylinder internal thread 63 and described doffing outside thread 73 is all 138 millimeters, described interior round tube hole 57 diameters are 217 millimeters, and described diameter of topping bar hole 53 and the described hole 58 of getting out of a predicament or an embarrassing situation is 228 millimeters.

Main body assembling process:

1. second spool 70 is assembled with first spool 60.

On top cylinder internal thread 63 and doffing outside thread 73, all coat epoxy resin sealant, on the matching surface of top cylinder step cylindrical 62 and doffing step inner circle 72, all coat epoxy resin sealant.

By first spool 60 top cylinder step cylindrical 62 aim at the doffing step inner circle 72 of second spool 70, then by first spool 60 top cylinder internal thread 63 rotate and coordinate with the doffing outside thread 73 of second spool 70, formed airtight ring cavity 66.

2. overall package.

The first step: six plates 35 on the location of upper deflector 30 are placed on to topping bar in hole 53 of thimble connector 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: six 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 thimble connector 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 six plates 85 in location and upper six 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:

19 airtight being close to of inlet pipe road plane by pipe plane under the valve on lower pipe clip head 59 91 with system inlet pipe joint 18 exterior edge faces, make the valve pipe frustum face 52 of pipe plane 91 dorsal surfaces under described valve symmetrical with the pipeline frustum face 12 of inlet pipe road plane 19 dorsal surfaces, match with described valve pipe frustum face 52 and pipeline frustum face 12 with the left taper hole face 29 on the left half-watt 21 of a pair of clip and the right half-watt 22 of clip and right taper hole face 28 simultaneously, and by two groups of fastening quick connections of bolt and nut 11.

Go out by what go out that valve on pipe clip head 54 goes out that pipe plane 41 and system go out pipe joint 13 exterior edge faces that pipeline plane 14 is airtight to be close to, make described valve go out the valve pipe frustum face 52 of pipe plane 41 dorsal surfaces symmetrical with the pipeline frustum face 12 that goes out pipeline plane 14 dorsal surfaces, with another, left taper hole face 29 on left half-watt 21 of clip and the right half-watt 22 of clip and right taper hole face 28 are matched with described valve pipe frustum face 52 and pipeline frustum face 12 simultaneously, and by the fastening quick connection of another two groups of bolt and nuts 11.

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 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 six 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 six 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 six plates 85 in location and upper six plates 35 in location is cut off closes.Top-down crude oil passes through upper six 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.

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.Can draw in conjunction with the contrasting data in following table 1 and table 2: the surface abrasion etching extent of thyrite is far fewer than the surface abrasion etching extent of conventional stainless steel; Upper cylindrical body 32 outer surfaces of titanium 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.

The anti-corrosion wear laboratory data contrast of (table 1) silicon carbide ceramic valve core and conventional stainless steel material spool

(table 2) is the titanium 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

Claims

1. the vertical one-way valve of thimble connector six plate water conservancy diversion titanium alloy, comprise thimble connector valve body (50), upper deflector (30), lower deflector (80), first spool (60) and second spool (70), there is lower pipe clip head (59) lower end of described thimble connector valve body (50) cylindrical, there is the pipe clip of going out head (54) lower end of described thimble connector valve body (50) cylindrical, there is airtight being close to of inlet pipe road plane (19) of pipe plane (91) and system inlet pipe joint (18) exterior edge face under valve described lower pipe clip head (59) exterior edge face, described go out pipe clip head (54) exterior edge face and have valve to go out pipe plane (41) to go out going out airtight being close to of pipeline plane (14) of pipe joint (13) exterior edge face with system, described inlet pipe road plane (19) and go out pipeline plane (14) dorsal surface and have pipeline frustum face (12), under described valve, pipe plane (91) and valve go out pipe plane (41) dorsal surface has valve pipe frustum face (52) symmetrical with described pipeline frustum face (12), assembled in pairs is by having respectively laterally zygomorphic left taper hole face (29) and right taper hole face (28) on the fastening left half-watt of clip (21) of two groups of bolt and nuts (11) and the right half-watt of clip (22), left taper hole face (29) and right taper hole face (28) match with described valve pipe frustum face (52) and pipeline frustum face (12) simultaneously, the interior round tube hole (57) of described thimble connector 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 six plates in location (35), locate between upper six 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 six plates (85) in location, between lower six 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 top cylinder step cylindrical (62), described upper taper cone barrel (69) inner edge is connected with top cylinder internal thread (63), 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 doffing step inner circle (72) and described airtight the matching of top cylinder step cylindrical (62), and described lower taper cone barrel (79) inner edge is connected with doffing outside thread (73) and described airtight the matching of top cylinder internal thread (63), under spool in the spool of described doffing outside thread (73) inner side 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 six plates (35) and described location, single leaf thickness of six plates (85) is 4 to 5 millimeters.

2. the vertical one-way valve of a kind of thimble connector six plate water conservancy diversion titanium alloy according to claim 1, it is characterized in that: it is the titanium 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 titanium alloy hard anticorrosive material is made up of the element of following weight percentage: Ti:47-48, Cu:8-9, WC:6.7-6.9, Ni:7-8, Cr:6-7, Sn:1-2, Zn:5-6, Co:1-2, 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 0.17, Mn is less than 0.27, S is less than O.O7, O.016 P is less than.

3. the vertical one-way valve of a kind of thimble connector six plate water conservancy diversion titanium alloy according to claim 1, it is characterized in that: described first spool (60) and described second spool (70) are silicon carbide ceramics, taking silicon carbide SiC (silicon carbide) 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 SiC:93-94; MgO:1.9-2.1; BaCO3:2.5-2.6; Comprehensive clay: 2.6-2.7.

4. the vertical one-way valve of a kind of thimble connector six plate water conservancy diversion titanium alloy according to claim 1, is characterized in that: described top cylinder step cylindrical (62) and the nominal diameter of doffing step inner circle (72) are all 202 to 204 millimeters.

5. the vertical one-way valve of a kind of thimble connector six plate water conservancy diversion titanium alloy according to claim 1, is characterized in that: the nominal diameter of described top cylinder internal thread (63) and described doffing outside thread (73) is all 137 to 139 millimeters.

6. the vertical one-way valve of a kind of thimble connector six plate water conservancy diversion titanium alloy according to claim 1, is characterized in that: described interior round tube hole (57) diameter is 216 to 218 millimeters.

7. the vertical one-way valve of a kind of thimble connector six plate water conservancy diversion titanium alloy 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 227 to 229 millimeters.