CN103991978B - Copper alloy external thread reef fresh water high pressure membrane permeation device - Google Patents

Abstract

The invention relates to a device for extracting fresh water from sea water and in particular relates to a copper alloy external thread reef fresh water high pressure membrane permeation device. The copper alloy external thread reef fresh water high pressure membrane permeation device is characterized in that an indoor single-handed entertainment device drives a primary speed-increase gearbox to rotate at a high speed, a copper alloy external thread five star flexible coupler passes through a transmission pipe sealing hole of a separation wall from inside to outside to drive a single-stage centrifugal pump to acquire seawater from a seabed water filter by virtue of a lift water inlet pipe, the acquired seawater passes through a water pipe sealing hole of the separation wall from outside to inside via a lift water outlet pipe to be connected to a pre-treatment spare tank; a multi-stage pump suction pipe is connected with the pre-treatment spare tank, a multi-stage pump water outlet pipe is connected with a permeable membrane front cavity of a reverse osmosis membrane assembly; strong brine intercepted by the reverse osmosis membrane assembly is pressurized and discharged, the fresh water passing through the reverse osmosis membrane assembly flows out from a permeable membrane rear cavity and is treated by an activated carbon adsorption tank, and drinking water reaching the standard of drinking water is finally fed into a fresh water storage tank for drinking water supply of people living on reefs.

Description

One Albatra metal-outside screw islands and reefs fresh water high-pressure membrane permeator

Technical field

The present invention relates to one and from seawater, extract freshwater plant device, especially without the need to an Albatra metal-outside screw islands and reefs fresh water high-pressure membrane permeator of power consumption oil consumption.

Background technology

The island of once living for generations, has to abandon owing to cannot solve fresh water supply.The value on island, the world today progressively pay attention to by every country, but want to one's name, best evidence is the fact can lived on this island.Often away from continent, and can not there be electric power energy equipment etc. on such island when finding island the earliest, and the primary resource of human survival, except air is exactly fresh water.Although desalination technology and the equipment of dependence electric power are day by day ripe, such sea water desalting equipment not only energy consumption is huge, and volume own is very huge, can not carry with.Away from the islands and reefs aboundresources in inland, occupy these islands and reefs significant, but its electric power safeguard is difficult problem, even if there is electric power safeguard, if when meeting unexpected, power breakdown, rely on the sea water desaltination of electric power just can not realize.Therefore, need badly under solving unregulated power condition, namely rely on the sea water desaltination problem of manpower.

Reverse osmosis membrane is utilized to reach its maturity to carry out desalination technology at present, external force is only needed to provide the pressure required for membrane separating process just much of that, be particularly suitable for islands and reefs operation and do not rely on any energy, therefore, also someone proposes manual Portable type sea water desalination device, as Chinese patent 200420033419.9, 01106384.X all mentions manual seawater desalting device, utilize hand driven high pressure pump to provide pressure required for membrane separating process, and 98102171.9 just broadly refer to and utilize triumph device to provide pressure required for membrane separating process, and hand impeller pump is difficult to accomplish sea pressure to be brought up to more than 5 MPas (MPa).But the acting of the manpower of above-mentioned patent must be all be close to machinery equipment device, and namely operator can only fulfil assignment and cannot isolate with machinery equipment device in the same space, and therefore Working environment is very bad.In addition, because manpower acting is intermittent, in order to prevent adverse current from causing acting loss even to injure, outfit performs quick and safe and reliable backstop is particularly important.

Summary of the invention

The object of this invention is to provide an Albatra metal-outside screw islands and reefs fresh water high-pressure membrane permeator and solve islands and reefs or the emergent or daily Drinking Water Problem of the seagoing vessel that casts anchor.For the deficiencies in the prior art, providing a kind of operator and machinery equipment device can in two mutually isolated space, people are allowed to carry out driven machine equipment configuration in the mode of practicing of hand body-building apparatus, sea water desaltination operation is completed in the space environment of indoor comfortable, also be equipped with extraordinary backstop, convenient operation personnel have a rest or rotation.

The present invention is by the following technical solutions: an Albatra metal-outside screw islands and reefs fresh water high-pressure membrane permeator, be positioned at indoor one hand to shake recreation apparatus and drive the primary output shaft of elementary gearbox to rotate with per minute 755 to 770 to turn, described primary output shaft inputs outside screw with the shaft coupling of copper alloy outside screw five-pointed star extension coupling and is fixedly connected with, copper alloy outside screw five-pointed star extension coupling passes through the transmission tube sealing gap of divider wall from inside to outside, the shaft coupling of described copper alloy outside screw five-pointed star extension coupling exports outside screw and is fixedly connected with the single stage pump input shaft of single-stage centrifugal pump, the lifting water inlet pipe of single-stage centrifugal pump is connected to seabed water strainer, being lifted out after water pipe ecto-entad passes through the water pipe sealing gap of described divider wall of described single-stage centrifugal pump is connected to pre-treatment slack tank, the double hand-operated recreation apparatus of indoor drive the ultimate speedy carding process axle of ultimate gearbox with per minute 1245 to 1255 turns between rotate, ultimate speedy carding process axle is fixedly connected with stage chamber pump entering spindle, the stage pump water absorption tube of stage chamber pump is connected to pre-treatment slack tank, and the stage pump rising pipe of described stage chamber pump is connected to the permeable membrane ante-chamber of reverse osmosis membrane assembly, the permeable membrane back cavity of reverse osmosis membrane assembly is connected to activated carbon adsorption tank and freshwater storage tank, successively as improvement: described lifting water inlet pipe is in series with vertical outside screw backstop, described stage pump water absorption tube and described stage pump rising pipe are all in series with horizontal outside screw backstop,

Described copper alloy outside screw five-pointed star extension coupling comprises output male connection, exports square universal joint, exports five limit sleeve pipes, inputs pentagonal prism, inputs square universal joint and input male connection; Described output square universal joint has two to mutual vertically arranged output side body nipple orifice and output side's body collar aperture, described input square universal joint has two to body tubing string hole, mutual vertically arranged input side and input side's body nipple orifice; The out splice going splice both feet of described output male connection having out splice going splice pilot hole shrink-fit out splice going splice bearing pin outer end, is rotatable running fit between out splice going splice bearing pin the inner and described output side's body nipple orifice; The output sleeve pipe both feet of described output five limit sleeve pipe have output sleeve pipe pilot hole shrink-fit output sleeve pipe bearing pin outer end, exporting between sleeve pipe bearing pin the inner and described output side's body collar aperture is rotatable running fit; The input adapter both feet of described input male connection having input adapter pilot hole shrink-fit input adapter bearing pin outer end, is rotatable running fit between input adapter bearing pin the inner and described input side's body nipple orifice; The input sleeve pipe both feet of described input pentagonal prism having input sleeve pipe pilot hole shrink-fit input tube axis pin of column outer end, is rotatable running fit between input tube axis pin of column the inner and described body tubing string hole, input side; For being slidably matched between five equilateral trepannings of the described output five limit sleeve pipe the other end and the pentagonal prism pivot pin of the input pentagonal prism the other end; Described at least one outer side of pentagonal prism pivot pin is furnished with a row 6 to 8 set a distance semicircle pits, described five at least one medial surface of equilateral trepanning are furnished with a positioning through hole corresponding on circumferential position with described set a distance semicircle pit, there is stop bit flange described positioning through hole the inner, described positioning through hole outer end section shrink-fit has disk rivet head, has cylinder corrosion resistant spring between disk rivet head and positioning ball; Described output five limit sleeve pipe entirety is for adopting copper alloy anticorrosive material, elementary composition by following weight percent of described copper alloy anticorrosive material: Cu:38-39, Cr:8-9, Zn:7-8, Ti:6-7, Ni:5-6, Al:4-5, Nb:3-4, Co:2-3, Sn:1.7-1.9, Mn:1.4-1.6, Mo:1.1-1.3, surplus is Fe and inevitable impurity; The weight percent content of described impurity is: C is less than 0.07, Si is less than 0.12, S is less than 0.0l4, P and is less than 0.012; Described input pentagonal prism entirety is silicon carbide ceramics, with SiC (silicon carbide) for base-material, be equipped with mineralizer MgO (magnesium oxide), (barium carbonate) and bonding clay form, and the weight percent content of its each component is SiC:93-94; MgO:1.7-1.9; : 1.7-1.9; Bonding clay: 2.2-3.6; Described cylinder corrosion resistant spring structure is of a size of diameter of section 0.59 to 0.60 millimeter, nominal diameter 5.9 to 6.0 millimeters, spring heights 29 to 30 millimeters; Described positioning ball diameter is 7.9 to 8.0 millimeters.

As further improvement: described vertical outside screw backstop comprises lower outside thread head hemispherical Shell, upper outside thread head hemispherical Shell, cylindrical duct and upright spool, and there are connection import outside screw and entrance end sealing plane in the circular hole inlet pipe lower end on described lower outside thread head hemispherical Shell; There are connection outlet outside screw and exit end sealing plane in circular hole outlet pipe upper end on described upper outside thread head hemispherical Shell; Lower hexagonal flange on described lower outside thread head hemispherical Shell and have six groups of valve casing bolt and nut groups sealing location fixing between the upper hexagonal flange on upper outside thread head hemispherical Shell; Lower interior hemisphere face on described lower outside thread head hemispherical Shell have for transition fit between the pipe cylindrical in recessed circular groove inner circle and described cylindrical duct, the low groove baseplane on described recessed circular groove and contacting for sealing between the pipe lower surface in described cylindrical duct; Upper interior hemisphere face on described upper outside thread head hemispherical Shell have for transition fit between fovea superior circular groove inner circle and described pipe cylindrical, the upper groove baseplane on described fovea superior circular groove and contacting for sealing between the pipe upper surface in described cylindrical duct; Be clearance fit between spool cylindrical on pipe inner circle in described cylindrical duct and described upright spool, spool lower peripheral surface subsequent corrosion on described upright spool is identical with described lower interior hemisphere face subsequent corrosion coincide, and on the spool on described upright spool, sphere subsequent corrosion is identical with described upper interior hemisphere face subsequent corrosion coincide; Connect for annular three connects muscle circular jet road between spool circular hole on spool annular aperture on described spool lower peripheral surface and described spool on sphere, described annular three connects on muscle circular jet road has three to connect muscle back up pad; Described three connect muscle back up pad medial surface is fixedly connected on the spool cavity wall on described upright spool, and described three connect muscle back up pad outer side is fixedly connected on the cylindrical inner side-wall of the outer inner round side of described spool; The described three single leaf thicknesses connected in muscle back up pads are that 1/13 to 1/15, described three of described valve element circle bore dia connects muscle back up pad length and is 330 to 350 millimeters; The blocking outside screw close fit that described spool cavity wall lower end cambered surface has technique screw and interior hexagonal to block forms spool internal cavity; A layer thickness is all had for the copper alloy hard anticorrosive material described in 0.4 to 0.6 millimeter on described upper interior hemisphere face and on described lower interior hemisphere face, the pipe inner round wall of described cylindrical duct there is a layer thickness for the copper alloy hard anticorrosive material described in 0.4 to 0.6 millimeter, the silicon carbide ceramics described in the overall material of described upright spool adopts.

As further improvement: described horizontal outside screw backstop comprises cylinder axis, rotation spool, outside screw valve body, trip bolt and outer end cap, there is outside screw head outlet elbow on described outside screw valve body and import bend pipe outer end, and there are connection outside screw and outside screw sealing plane in outside screw head outer end; Described outlet elbow the inner is connected to the valve body inletpiston hard layer of described outside screw valve body, and described import bend pipe the inner is connected to the valve outlet plane hard layer of described outside screw valve body; Described valve body inletpiston hard layer is connected with the fan-shaped cambered surface of valve body with the upper limb of valve outlet plane hard layer, described valve body inletpiston hard layer is connected with valve body circle cancave cambered surface with the lower rim of valve outlet plane hard layer, and the valve body side plane of described outside screw valve body both sides respectively has screw hole; Outer end cap described in two there is the end cap counterbore corresponding with described screw hole; Described trip bolt matches with described screw hole is fastening through described end cap counterbore, is close to airtight by the end cap inner plane of described outer end cap and described valve body side plane; Enclosing cover axis hole on outer end cap described in two and described cylinder axis two ends seal shrink-fit; Described cylinder axis cylindrical coordinates with the spool circular hole rotary sliding of described rotation spool; The described valve element circle end surfaces of rotation spool both sides and the end cap inner plane running fit of the outer end cap described in two; The spool pipe cambered surface of described rotation spool there is spool fan-shaped cylinder; The spool entrance end planar side of described spool fan-shaped cylinder has annular flow road junction, and the spool exit end planar side of described spool fan-shaped cylinder has circular flow channel mouth; Distortion five tracts of runners are had to be connected between described annular flow road junction and described circular flow channel mouth; Have between the bend flow channel conical part that described distortion five tracts of runners contain and described spool fan-shaped cylinder and be connected five muscle and be connected; Described rotation spool and bend flow channel conical part thereof and spool fan-shaped cylinder channel floor material all adopt silicon carbide ceramics, the thickness of described valve body inletpiston hard layer and described valve outlet plane hard layer is 0.9 to 1.1 millimeter, and the material of described valve body inletpiston hard layer and described valve outlet plane hard layer all adopts described copper alloy hard anticorrosive material; Single leaf thickness of described connection five muscle is 1/13 to 1/15 of circular flow channel mouth diameter.

Beneficial effect of the present invention is:

1. the one hand being positioned at indoor shakes recreation apparatus and drives elementary gearbox high speed rotating, the transmission tube sealing gap passing through divider wall through copper alloy outside screw five-pointed star extension coupling from inside to outside drives single-stage centrifugal pump to obtain seawater through promoting water inlet pipe from seabed water strainer, is connected to pre-treatment slack tank obtained seawater is passed through the water pipe sealing gap of described divider wall through being lifted out water pipe ecto-entad after; The double hand-operated recreation apparatus of indoor drive the ultimate speedy carding process axle of ultimate gearbox with per minute 1245 to 1255 turns between rotary actuation stage chamber pump high speed rotating, the stage pump water absorption tube of stage chamber pump is connected to pre-treatment slack tank, and the stage pump rising pipe of described stage chamber pump is connected to the permeable membrane ante-chamber of reverse osmosis membrane assembly; Strong brine pressurize under being retained by reverse osmosis membrane assembly is discharged, and the fresh water through reverse osmosis membrane assembly is finally sent into freshwater storage tank from the tap water up to standard meeting life standard for drinking after permeable membrane back cavity out flows through the process of activated carbon adsorption tank and drunk for islands and reefs people life.Adopt a row 6 to 8 set a distance semicircle pits of the pentagonal prism pivot pin in copper alloy outside screw five-pointed star extension coupling corresponding on circumferential position with the positioning through hole on five equilateral trepannings, this scalable set a distance special construction among set a distance semicircle pit is inserted into positioning ball by cylinder corrosion resistant spring thrust, the sealing gap of the divider wall of different thickness can be passed through, improve the envrionment conditions obtaining fresh water, guarantee that operator can be in comfortable space to keep apart with severe environment residing for machinery equipment device, allow people comfortable, complete originally uninteresting in amusement atmosphere, tired manual operation, at least one outer side of pentagonal prism pivot pin is furnished with a row 6 to 8 set a distance semicircle pits, described five at least one medial surface of equilateral trepanning are furnished with a positioning through hole corresponding on circumferential position with described set a distance semicircle pit, there is stop bit flange described positioning through hole the inner, makes positioning ball can only expose himself 1/3rd diameter, key has set up positioning through hole outer end section shrink-fit to have disk rivet head, cylinder corrosion resistant spring one end between disk rivet head and described positioning ball is supported on inside described disk rivet head, positioning ball in the holder of the cylinder corrosion resistant spring the other end, can first guarantee can be connected transmitting torque and can not depart from by safety telescopic between the flexible cylindroid of the output telescopic elliptic pipe of aluminium alloy clutch tooth extension coupling and input,

2. outdoor remedial operation difficulty, promote on water inlet pipe and configure vertical outside screw backstop, can guarantee that lifting water inlet pipe and single-stage centrifugal pump can retain water level when quitting work, can exempt using next time and will arrive the outdoor trouble adding diversion, be the key problem in technology of vertical outside screw backstop for annular three even muscle circular jet road connects between the spool circular hole on described spool on sphere.The blocking outside screw close fit that described spool cavity wall lower end cambered surface has technique screw and interior hexagonal to block forms spool internal cavity, accurately can control the overall proportion of upright spool well, without any obstruction parts such as springs in vertical outside screw backstop integral unit, the omnidistance central object that may produce larger drag losses without spring etc. of whole runner, is particularly suitable for using in severe environment pipeline; Thoroughly avoid because damping spring can not bear torrent impact and bias voltage or malfunctioning caused chance failure occur, extend work-ing life to a great extent, direct benefit and indirect benefit are all very considerable.

3. the stage pump water absorption tube of stage chamber pump and stage pump rising pipe all to have been connected this special setting of horizontal outside screw backstop, guarantee that the discharge pressure pre-treating seawater pressure in pre-treatment slack tank being brought up to 5 to 6 MPas (MPa) can not produce reverse counterflow, operational safety is reliable.The rotation spool of horizontal outside screw backstop possesses agile, distortion five tracts of runners are had to be connected this special setting between described annular flow road junction and described circular flow channel mouth, make in horizontal outside screw backstop integral unit without any obstruction parts such as springs, just can realize uniflux function, completely eliminate the hidden danger because of backstop fault effects islands and reefs fresh water generator system pipeline stopping fault.

4. outdoor picked-up seawater water lifts and provide the stage chamber pump of high pressure all to adopt manual operation, do not limit by electric power, diesel oil equal energy source completely.Key part adopts copper alloy hard anticorrosive material and silicon carbide ceramics, has good wear resistance, the feature that high temperature resistant, corrosion-resistant and shock resistance is strong, can resist sea-water corrosion especially, can normally run before guaranteeing annual system device general overhaul.

Accompanying drawing explanation

Fig. 1 is overall flow schematic diagram of the present invention.

Fig. 2 is the part sectioned view of copper alloy outside screw five-pointed star extension coupling 40.

Fig. 3 is the stereographic map inputting pentagonal prism 340 in Fig. 2.

Fig. 4 is the stereographic map exporting five limit sleeve pipes 240 in Fig. 2.

Fig. 5 is the stereographic map exporting square universal joint 244 in Fig. 2.

Fig. 6 is the stereographic map inputting square universal joint 344 in Fig. 2.

Fig. 7 is A-A sectional view in Fig. 2.

Fig. 8 is B-B sectional view in Fig. 2.

Fig. 9 is C-C sectional view in Fig. 2.

Figure 10 is the partial enlarged drawing at position residing for positioning ball 480 in Fig. 8.

Figure l1 is the sectional view forward circulation status that axial line crossed by vertical outside screw backstop 10.

Figure 12 is that in Fig. 1 l, the present invention is in reverse blocking state.

Figure 13 is D-D sectional view in Figure 11.

Figure 14 is the upright spool 110 in Figure 11 or Figure 12.

Figure 15 is the cylindrical duct 120 in Figure 11 or Figure 12.

Figure l6 is the sectional view forward circulation status that axial line crossed by horizontal outside screw backstop 80.

Figure 17 is that in Figure 16, the present invention is in reverse blocking state.

Figure 18 is E-E sectional view in Figure 16.

Figure 19 is that rotation spool 200 stereographic map in Figure 16 represents annular flow road junction 202.

Figure 20 is that rotation spool 200 stereographic map in Figure 17 represents circular flow channel mouth 201.

Figure 21 is outside screw valve body 300 stereographic map in Figure 16 or Figure 12.

Embodiment

Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.

One Albatra metal-outside screw islands and reefs fresh water high-pressure membrane permeator, be positioned at indoor one hand to shake recreation apparatus 33 and drive the primary output shaft 34 of elementary gearbox 30 to rotate with per minute 755 to 770 to turn, described primary output shaft 34 inputs outside screw 341 with the shaft coupling of copper alloy outside screw five-pointed star extension coupling 40 and is fixedly connected with, copper alloy outside screw five-pointed star extension coupling 40 passes through the transmission tube sealing gap 54 of divider wall 55 from inside to outside, the shaft coupling of described copper alloy outside screw five-pointed star extension coupling 40 exports outside screw 241 and is fixedly connected with the single stage pump input shaft 24 of single-stage centrifugal pump 20, the lifting water inlet pipe 21 of single-stage centrifugal pump 20 is connected to seabed water strainer 11, being lifted out after water pipe 29 ecto-entad passes through the water pipe sealing gap 52 of described divider wall 55 of described single-stage centrifugal pump 20 is connected to pre-treatment slack tank 50, the double hand-operated recreation apparatus 77 of indoor drive the ultimate speedy carding process axle 76 of ultimate gearbox 70 with per minute 1245 to 1255 turns between rotate, ultimate speedy carding process axle 76 is fixedly connected with stage chamber pump 60 entering spindle, the stage pump water absorption tube 65 of stage chamber pump 60 is connected to pre-treatment slack tank 50, and the stage pump rising pipe 69 of described stage chamber pump 60 is connected to the permeable membrane ante-chamber 96 of reverse osmosis membrane assembly 90, the permeable membrane back cavity 97 of reverse osmosis membrane assembly 90 is connected to activated carbon adsorption tank 98 and freshwater storage tank 99, successively as improvement: described lifting water inlet pipe 21 is in series with vertical outside screw backstop 10, described stage pump water absorption tube 65 and described stage pump rising pipe 69 are all in series with horizontal outside screw backstop 80,

Described copper alloy outside screw five-pointed star extension coupling 40 comprises output male connection 242, exports square universal joint 244, exports five limit sleeve pipes 240, inputs pentagonal prism 340, inputs square universal joint 344 and input male connection 342; Described output square universal joint 244 has two to mutual vertically arranged output side body nipple orifice 246 and output side's body collar aperture 245, described input square universal joint 344 has two to body tubing string hole, mutual vertically arranged input side 345 and input side's body nipple orifice 346; The out splice going splice both feet 243 of described output male connection 242 having out splice going splice pilot hole 236 shrink-fit out splice going splice bearing pin 266 outer end, is rotatable running fit between out splice going splice bearing pin 266 the inner and described output side's body nipple orifice 246; The output sleeve pipe both feet 248 of described output five limit sleeve pipe 240 have output sleeve pipe pilot hole 285 shrink-fit output sleeve pipe bearing pin 255 outer end, exporting between sleeve pipe bearing pin 255 the inner and described output side's body collar aperture 245 is rotatable running fit; The input adapter both feet 343 of described input male connection 342 having input adapter pilot hole 336 shrink-fit input adapter bearing pin 366 outer end, is rotatable running fit between input adapter bearing pin 366 the inner and described input side's body nipple orifice 346; The input sleeve pipe both feet 348 of described input pentagonal prism 340 having input sleeve pipe pilot hole 385 shrink-fit input tube axis pin of column 355 outer end, is rotatable running fit between input tube axis pin of column 355 the inner and described body tubing string hole, input side 345; For being slidably matched between five equilateral trepannings 249 of described output five limit sleeve pipe 240 the other end and the pentagonal prism pivot pin 349 of input pentagonal prism 340 the other end; Described at least one outer side of pentagonal prism pivot pin 349 is furnished with a row 6 to 8 set a distance semicircle pits 347, described five equilateral at least one medial surface of trepanning 249 are furnished with a positioning through hole 438 corresponding on circumferential position with described set a distance semicircle pit 347, there is stop bit flange 437 described positioning through hole 438 the inner, described positioning through hole 438 outer end section shrink-fit has disk rivet head 247, has cylinder corrosion resistant spring 488 between disk rivet head 247 and positioning ball 480; Described output five limit sleeve pipe 240 entirety is for adopting copper alloy anticorrosive material, elementary composition by following weight percent of described copper alloy anticorrosive material: Cu:38-39, Cr:8-9, Zn:7-8, Ti:6-7, Ni:5-6, Al:4-5, Nb:3-4, Co:2-3, Sn:1.7-1.9, Mn:1.4-1.6, Mo:1.1-1.3, surplus is Fe and inevitable impurity; The weight percent content of described impurity is: C is less than 0.07, Si is less than 0.12, S is less than 0.0l4, P and is less than 0.012; Described input pentagonal prism 340 entirety is silicon carbide ceramics, with SiC (silicon carbide) for base-material, be equipped with mineralizer MgO (magnesium oxide), (barium carbonate) and bonding clay form, and the weight percent content of its each component is SiC:93-94; MgO:1.7-1.9; : 1.7-1.9; Bonding clay: 2.2-3.6; Described cylinder corrosion resistant spring 488 scantlings of the structure is diameter of section 0.59 to 0.60 millimeter, nominal diameter 5.9 to 6.0 millimeters, spring heights 29 to 30 millimeters; Described positioning ball 480 diameter is 7.9 to 8.0 millimeters.

The stop bit flange 437 of described positioning through hole 438 the inner can stop positioning ball 480, makes positioning ball 480 can only expose himself 1/3rd diameter.

As further improvement: described vertical outside screw backstop 10 comprises lower outside thread head hemispherical Shell 190, upper outside thread head hemispherical Shell 180, cylindrical duct 120 and upright spool 110, there are connection import outside screw 192 and entrance end sealing plane 191 in circular hole inlet pipe 195 lower end on described lower outside thread head hemispherical Shell 190; There are connection outlet outside screw 182 and exit end sealing plane 181 in circular hole outlet pipe 185 upper end on described upper outside thread head hemispherical Shell 180; Lower hexagonal flange 198 on described lower outside thread head hemispherical Shell 190 and have six groups of valve casing bolt and nut groups 140 sealing location fixing between the upper hexagonal flange 189 on upper outside thread head hemispherical Shell 180; Lower interior hemisphere face 196 on described lower outside thread head hemispherical Shell 190 having between the pipe cylindrical 123 in recessed circular groove 193 inner circle and described cylindrical duct 120 is transition fit, and the low groove baseplane 194 on described recessed circular groove 193 contacts for sealing with between the pipe lower surface 129 in described cylindrical duct 120; Upper interior hemisphere face 187 on described upper outside thread head hemispherical Shell 180 having between fovea superior circular groove 183 inner circle and described pipe cylindrical 123 is transition fit, and the upper groove baseplane 184 on described fovea superior circular groove 183 contacts for sealing with between the pipe upper surface 128 in described cylindrical duct 120; Be clearance fit between spool cylindrical 112 on pipe inner circle 121 in described cylindrical duct 120 and described upright spool 110, spool lower peripheral surface 115 subsequent corrosion on described upright spool 110 is identical with described lower interior hemisphere face 196 subsequent corrosion coincide, and on the spool on described upright spool 110, sphere 117 subsequent corrosion is identical with described upper interior hemisphere face 187 subsequent corrosion coincide; Connect for annular three connects muscle circular jet road 157 between spool circular hole 118 on spool annular aperture 119 on described spool lower peripheral surface 115 and described spool on sphere 117, described annular three connects on muscle circular jet road 157 has three to connect muscle back up pad 114; Described three connect muscle back up pad 114 medial surface is fixedly connected on the spool cavity wall 111 on described upright spool 110, and described three connect muscle back up pad 114 outer side is fixedly connected on the cylindrical inner side-wall 113 inside described spool cylindrical 112; The described three single leaf thicknesses connected in muscle back up pads 114 are that 1/13 to 1/15, described three of described spool circular hole 118 diameter connects muscle back up pad 114 length and is 330 to 350 millimeters; Blocking outside screw 152 close fit described spool cavity wall 111 lower end cambered surface having technique screw 151 and interior hexagonal block 154 forms spool internal cavity 156; A layer thickness is all had for the copper alloy hard anticorrosive material described in 0.4 to 0.6 millimeter on described upper interior hemisphere face 187 and on described lower interior hemisphere face 196, pipe inner circle 121 wall of described cylindrical duct 120 there is a layer thickness for the copper alloy hard anticorrosive material described in 0.4 to 0.6 millimeter, the silicon carbide ceramics described in the overall material of described upright spool 110 adopts;

As improving further again: the spherical radius on the lower interior hemisphere face 196 in described vertical outside screw backstop 10 and described upper interior hemisphere face 187 is 640 to 660 millimeters, and described circular hole inlet pipe 195 and described circular hole outlet pipe 185 internal diameter are 100 to 120 millimeters.

As improving further again: sphere 117 has sealing groove 177 on spool to be fixed wtih spool upper sealing ring 178 to the spool in described vertical outside screw backstop 10, on described spool, sealing groove 177 diameter is greater than described spool circular hole 118 internal diameter 23 to 25 millimeters, and described spool circular hole 118 internal diameter is equal with described circular hole outlet pipe 185 internal diameter.

As improving further again: the spool lower peripheral surface 115 in described vertical outside screw backstop 10 has spool lower seal groove cavity 155 to be fixed wtih spool lower sealing ring 159, described spool annular aperture 119 annular diameters is than large 23 to 25 millimeters described of spool lower seal groove cavity 155 diameter, and described spool annular aperture 119 annular diameters is than large 47 to 49 millimeters described of circular hole inlet pipe 195 flow diameter.

As improving further again: pipe inner circle 121 diameter in described vertical outside screw backstop 10 is 235 to 245 millimeters, and described pipe cylindrical 123 diameter is 300 to 320 millimeters.

As improving further again: the maximum spacing on the spool lower peripheral surface 115 in described vertical outside screw backstop 10 and described spool between sphere 117 is 670 to 690 millimeters.

As further improvement: described horizontal outside screw backstop 80 comprises cylinder axis 100, rotation spool 200, outside screw valve body 300, trip bolt 700 and outer end cap 900, there is outside screw head 305 outlet elbow 301 on described outside screw valve body 300 and import bend pipe 302 outer end, and there are connection outside screw 307 and outside screw sealing plane 304 in outside screw head 305 outer end; Described outlet elbow 301 the inner is connected to the valve body inletpiston hard layer 308 of described outside screw valve body 300, and described import bend pipe 302 the inner is connected to the valve outlet plane hard layer 309 of described outside screw valve body 300; Described valve body inletpiston hard layer 308 is connected with the fan-shaped cambered surface 603 of valve body with the upper limb of valve outlet plane hard layer 309, described valve body inletpiston hard layer 308 is connected with valve body circle cancave cambered surface 602 with the lower rim of valve outlet plane hard layer 309, and the valve body side plane 306 of described outside screw valve body 300 both sides respectively has screw hole 207; Outer end cap 900 described in two there is the end cap counterbore 907 corresponding with described screw hole 207; Described trip bolt 700 matches with described screw hole 207 is fastening through described end cap counterbore 907, is close to airtight by end cap inner plane 908 and the described valve body side plane 306 of described outer end cap 900; Enclosing cover axis hole 901 on outer end cap 900 described in two seals shrink-fit with described cylinder axis 100 two ends; Described cylinder axis 100 cylindrical coordinates with spool circular hole 801 rotary sliding of described rotation spool 200; End cap inner plane 908 running fit of the valve element circle end surfaces 809 of described rotation spool 200 both sides and the outer end cap 900 described in two; The spool pipe cambered surface 802 of described rotation spool 200 there is spool fan-shaped cylinder 205; There is annular flow road junction 202 spool entrance end plane 208 side of described spool fan-shaped cylinder 205, and there is circular flow channel mouth 201 spool exit end plane 209 side of described spool fan-shaped cylinder 205; Distortion five tracts of runners 808 are had to be connected between described annular flow road junction 202 and described circular flow channel mouth 201; Have between bend flow channel cone 204 part that described distortion five tracts of runners 808 contain and described spool fan-shaped cylinder 205 and be connected five muscle 404 and be connected; Described rotation spool 200 and bend flow channel cone 204 part thereof and spool fan-shaped cylinder 205 channel floor material all adopt silicon carbide ceramics, the thickness of described valve body inletpiston hard layer 308 and described valve outlet plane hard layer 309 is 0.9 to 1.1 millimeter, and the material of described valve body inletpiston hard layer 308 and described valve outlet plane hard layer 309 all adopts described copper alloy hard anticorrosive material; Single leaf thickness of described connection five muscle 404 is 1/13 to 1/15 of circular flow channel mouth 201 diameter.

As improving further again: described circular flow channel mouth 201 diameter on described horizontal outside screw backstop 80 is equal to or less than described outlet elbow 301 flow diameter; Described spool exit end plane 209 has exit face seal groove 501, and described exit face seal groove 501 diameter is greater than described outlet elbow 301 flow diameter 9 to 10 millimeters.

As improving further again: described annular flow road junction 202 inner ring diameter on described horizontal outside screw backstop 80 is than large 200 to 202 millimeters described of import bend pipe 302 flow diameter; Described spool entrance end plane 208 there is inlet face seal groove 502, described inlet face seal groove 502 diameter is less than described annular flow road junction 202 inner ring diameter 8 to 9 millimeters, and described inlet face seal groove 502 diameter is greater than described import bend pipe 302 flow diameter 8 to 9 millimeters.

As improving further again: the described enclosing cover axis hole 901 on described horizontal outside screw backstop 80 has dead axle seal groove 509.

As improving further again: the described valve body inletpiston hard layer 308 on described horizontal outside screw backstop 80 and the angle between described valve outlet plane hard layer 309 are 90 degree to 91 degree; Extension angle line and described cylinder axis 100 axial line of described valve body inletpiston hard layer 308 and described valve outlet plane hard layer 309 overlap.

As improving further again: the described spool entrance end plane 208 on described horizontal outside screw backstop 80 and the angle between described spool exit end plane 209 are 52 degree to 53 degree; Extension angle line and described cylinder axis 100 axial line of described spool entrance end plane 208 and described spool exit end plane 209 overlap.

As improving further: described valve body fan-shaped cambered surface 603 axial line on described horizontal outside screw backstop 80 and described cylinder axis 100 axial line overlap, described valve body circle cancave cambered surface 602 axial line and described cylinder axis 100 axial line overlap again.

As improving further again: described spool pipe cambered surface 802 axial line on described horizontal outside screw backstop 80 and described cylinder axis 100 axial line overlap, and described spool fan-shaped cambered surface 803 axial line and described cylinder axis 100 axial line overlap.

As improving further again: the described spool pipe cambered surface 802 on described horizontal outside screw backstop 80 and the gap between described valve body circle cancave cambered surface 602 are 2 to 3 millimeters; Gap between the fan-shaped cambered surface of spool 803 of described spool fan-shaped cylinder 205 and the fan-shaped cambered surface 603 of described valve body is 2 to 3 millimeters; Gap between the fan-shaped side of spool 805 of described spool fan-shaped cylinder 205 and described end cap inner plane 908 is 2 to 3 millimeters.

In embodiment, seabed water strainer 11 radius is the filter screen of 0.7 meter, and water strainer bottom, seabed filter screen can be tackled equivalent diameter size and be greater than 1 millimeter of marine organisms.

Elementary composition by following weight percent of described copper alloy anticorrosive material: Cu:38.5, Cr:8.5, Zn:7.5, Ti:6.5, Ni:5.5, Al:4.5, Nb:3.5, Co:2.5, Sn:1.8, Mn:1.5, Mo:1.2, surplus is Fe and inevitable impurity; The weight percent content of described impurity is: C is 0.06, Si is 0.11, S be 0.0l1, P is 0.012; Described input pentagonal prism 340 entirety is silicon carbide ceramics, with SiC (silicon carbide) for base-material, be equipped with mineralizer MgO (magnesium oxide), (barium carbonate) and bonding clay form, and the weight percent content of its each component is SiC: 93.5; MgO:1.8; : 1.8; Bonding clay: 2.9.; Described cylinder corrosion resistant spring 488 scantlings of the structure is diameter of section 0.60 millimeter, nominal diameter 6.0 millimeters, spring heights 30 millimeters; Described positioning ball 480 diameter is 8.0 millimeters.

Lower interior hemisphere face 196 in vertical outside screw backstop 10 and the spherical radius on upper interior hemisphere face 187 are 650 millimeters, and circular hole inlet pipe 195 and circular hole outlet pipe 185 internal diameter are 110 millimeters.

Sphere 117 there is spool in vertical outside screw backstop 10 sealing groove 177 on spool be fixed wtih spool upper sealing ring 178, on spool, sealing groove 177 diameter is greater than spool circular hole 118 internal diameter 24 millimeters, and spool circular hole 118 internal diameter is equal with circular hole outlet pipe 185 internal diameter.

Spool lower peripheral surface 115 in vertical outside screw backstop 10 there is spool lower seal groove cavity 155 to be fixed wtih spool lower sealing ring 159, larger than spool lower seal groove cavity 155 diameter 24 millimeters of spool annular aperture 119 annular diameters, larger than circular hole inlet pipe 195 flow diameter 48 millimeters of spool annular aperture 119 annular diameters.

Pipe inner circle 121 diameter in vertical outside screw backstop 10 is 240 millimeters, and pipe cylindrical 123 diameter is 310 millimeters.

Maximum spacing on spool lower peripheral surface 115 in vertical outside screw backstop 10 and spool between sphere 117 is 680 millimeters.

Vertical outside screw backstop 10 assembling process:

Blocking outside screw 152 is coated with sealing resin and technique screw 151 close fit;

Respectively spool lower sealing ring 159 is put in the spool lower seal groove cavity 155 of spool lower peripheral surface 115, on spool spool upper sealing ring 178 being put into sphere 117 on spool in sealing groove 177; Again upright spool 110 entirety is placed in the pipe inner circle 121 of cylindrical duct 120.

Allow the lower interior hemisphere face 196 on lower outside thread head hemispherical Shell 190 has between recessed circular groove 193 inner circle and pipe cylindrical 123 is transition fit, the low groove baseplane 194 on recessed circular groove 193 and contacting for sealing between the pipe lower surface 129 in cylindrical duct 120;

Allow the upper interior hemisphere face 187 on upper outside thread head hemispherical Shell 180 has between fovea superior circular groove 183 inner circle and pipe cylindrical 123 is transition fit, the upper groove baseplane 184 on fovea superior circular groove 183 and contacting for sealing between the pipe upper surface 128 in cylindrical duct 120;

Fixing with six groups of valve casing bolt and nut groups 140 sealing location between upper hexagonal flange 189 on lower hexagonal flange 198 on lower outside thread head hemispherical Shell 190 and upper outside thread head hemispherical Shell 180.

Use procedure, vertical outside screw backstop 10 is overall vertically to be placed, the overall proportion of upright spool 110 with spool internal cavity 156 be the weight of every 1 mm cube between 1.2 grams to 1.3 grams, slightly overweight sea water specific gravity.Vertical outside screw backstop 10 is in stopping state time static.

Vertical outside screw backstop 10 principle of work:

The overall vertical placement of vertical outside screw backstop 10, in Figure 11, when seawater from seabed water strainer 11 flows from bottom to top, promote upright spool 110 moves, seawater flows through runner residing for spool annular aperture 119, enter into annular three and connect runner residing for muscle circular jet road 157, then after flowing through runner residing for spool circular hole 118, flow out after entering into lifting water inlet pipe 21 upper semisection and drawn by single-stage centrifugal pump 20 import.

In Figure 12, from single-stage centrifugal pump 20 import seawater because of unforeseen circumstances from top to bottom adverse current time, promote upright spool 110 to move down, spool lower peripheral surface 115 and lower interior hemisphere face 196 are fitted, and the spool lower sealing ring 159 on spool lower peripheral surface 115 guarantees that runner is cut off closedown.Top-down seawater passes through runner residing for spool circular hole 118, enter into again after annular three connects runner residing for muscle circular jet road 157 and be cut off, effective prevention adverse current avoids mishap and occurs, and work whole process just can realize backstop effect without the need to additionally consuming any energy consumption again.

The main body assembling process of horizontal outside screw backstop 80:

Put into by rotation spool 200 among outside screw valve body 300, spool pipe cambered surface 802 is positioned among valve body circle cancave cambered surface 602.

Cylinder axis 100 cylindrical coordinates through spool circular hole 801 rotary sliding of rotation spool 200.

Put sealing-ring well in advance in dead axle seal groove 509 on the enclosing cover axis hole 901 of two outer end caps 900, allow the end cap inner plane 908 of two outer end caps 900 distinguish the valve body side plane 306 of threaded valve body 300 both sides toward the outside, enclosing cover axis hole 901 aims at cylinder axis 100.

40 trip bolts 700 are each passed through that screw hole 207 on the end cap counterbore 907 of outer end cap 900 and the valve body side plane 306 of outside screw valve body 300 is fastening to match, and are close to airtight by end cap inner plane 908 and the valve body side plane 306 of outer end cap 900.

Pipeline assembling process:

Connection outside screw 307 on outside screw valve body 300 designs, and guarantees can conveniently be connected with exterior line and safe and reliable.

The use procedure of horizontal outside screw backstop 80:

Outside screw valve body 300 on horizontal outside screw backstop 80 is horizontally disposed, spool fan-shaped cylinder 205 is positioned at above spool circular hole 801, angle between valve body inletpiston hard layer 308 and valve outlet plane hard layer 309 is 900 degree, and the angle between spool entrance end plane 208 and spool exit end plane 209 is 52 degree.During forward flow, the spool exit end plane 209 of spool fan-shaped cylinder 205 turns clockwise 19 degree and just can be attached on valve outlet plane hard layer 309 by fluid thrust, makes circular flow channel mouth 201 pairs of outlet elbows 301; Fluid is from annular flow road junction 202 after being out of shape five tracts of runners 808, and the fluid being pooled to circular flow channel mouth 201 flows out from outlet elbow 301; During countercurrent flow, the spool entrance end plane 208 of spool fan-shaped cylinder 205 is rotated counterclockwise 19 degree and just can be attached on valve body inletpiston hard layer 308 by fluid thrust, because annular flow road junction 202 and import bend pipe 302 stagger, fluid from circular flow channel mouth 201 after being out of shape five tracts of runners 808, be stopped in annular flow road junction 202, cannot flow out from import bend pipe 302, make, without any obstruction parts such as springs in integral unit of the present invention, just can realize uniflux function.

In Figure 16, when forward fluid is come in from import bend pipe 302, after the spool exit end plane 209 that initial fluid promotes spool fan-shaped cylinder 205 is adjacent to valve outlet plane hard layer 309, runner defines: from import bend pipe 302 to annular flow road junction 202 through being out of shape five tracts of runners 808 from circular flow channel mouth 201 out, then from the smooth and easy process that outlet elbow 301 is gone out.Sealing-ring in exit face seal groove 501 plays sealing function between spool exit end plane 209 and valve outlet plane hard layer 309.Spool entrance end plane 208 pressure is greater than spool exit end plane 209 pressure, guarantees that the forward fluid of Channel Group can not produce backflow phenomenon.Whole process duration just can maintenance work without the need to additionally consuming any energy consumption.

In Figure 17, when counter fluid is come in from outlet elbow 301, after the spool entrance end plane 208 that initial fluid promotes spool fan-shaped cylinder 205 is adjacent to valve body inletpiston hard layer 308, runner is cut off.Blocked by spool entrance end plane 208 during from outlet elbow 301 to circular flow channel mouth 201 through being out of shape five tracts of runners 808 at annular flow road junction 202, the sealing-ring in inlet face seal groove 502 plays sealing function between spool entrance end plane 208 and valve body inletpiston hard layer 308.Be cut off the counter fluid after circulation and cannot arrive import bend pipe 302 again, spool exit end plane 209 pressure is greater than spool entrance end plane 208 pressure, guarantees that unidirectional cutoff is reliable and stable.Just can maintenance work without the need to additionally consuming any energy consumption duration of whole cut-off.

Design especially by means of the five tracts of runners 808 of the distortion on the spool fan-shaped cylinder 205 around the rotation of cylinder axis 100 axial line, achieve after starting force pushes spool open, residue work is omnidistance without the need to additionally consuming any energy consumption, just accurately can realize the opening and closing function of backstop.

Reverse osmosis membrane assembly 90 is adopted as and is 98% to sodium chloride rejection and boron ion is had to the Type B one polysulphone reverse osmosis tubular membrane component selecting de-function, and with timing automatic cleaning device.

Under any climatope, people can along with music when indoor body-building is taken exercise, the singlehanded handle 35 of the hand recreation apparatus of operation sheet 33 drives the primary output shaft 34 of elementary gearbox 30 to rotate with per minute 760, drives single-stage centrifugal pump 20 to obtain seawater from seabed water strainer 11.Obtained seawater boost can be injected into 0.2 MPa that to do pre-treatment in pre-treatment slack tank pre-treatment slack tank 50 for subsequent use by single-stage centrifugal pump 20.

Set up copper alloy outside screw five-pointed star extension coupling 40 between elementary gearbox 30 in indoor and the single-stage centrifugal pump 20 in outdoor, guarantee that operator can be in comfortable space and keep apart with severe environment residing for outdoor machine equipment configuration.Simultaneously, input square universal joint 344 and the output square universal joint 244 at copper alloy outside screw five-pointed star extension coupling 40 two ends design, and also can eliminate out-of-alignment equipment installation error between the elementary gearbox 30 in indoor and the single-stage centrifugal pump 20 in outdoor.

The effect of vertical outside screw backstop 10 that lifting water inlet pipe 21 between single-stage centrifugal pump 20 with seabed water strainer 11 is connected is: because physical fatigue needs to have a rest or one after the other, intermittence work characteristics will inevitably be produced, operate to prevent intermittence under may causing promoting water inlet pipe 21 place water column to fall to produce cavitation erosion, the closedown agility of vertical outside screw backstop 10 promoting the series connection of water inlet pipe 21 place depends on blocking outside screw 152 close fit that spool cavity wall 111 lower end cambered surface has technique screw 151 and interior hexagonal to block 154 and forms spool internal cavity 156 and accurately can control the overall proportion of upright spool 110 well, airtight closedown guarantees to promote the key that in water inlet pipe 21, water column does not fall down.

Under any climatope, people can along with music when indoor body-building is taken exercise, the both hands handle 75 of operation double hand-operated recreation apparatus 77 drive ultimate gearbox 70 ultimate speedy carding process axle 76 rotate with per minute 1250, drive stage chamber pump 60 through stage pump water absorption tube 65 from pre-treatment slack tank 50 acquisition through pre-treating seawater.Obtained pre-treating seawater can be pressurized to 5 MPas are injected into reverse osmosis membrane assembly 90 permeable membrane ante-chamber 96 through stage pump rising pipe 69 by stage chamber pump 60.Strong brine under being retained by reverse osmosis membrane assembly 90 is from being set as that the pressure retaining valve delivery pipe 94 of 4.9 MPas emits, the pre-treating seawater of 20 percent through reverse osmosis membrane assembly 90 with 4.8 MPas, becomes fresh water and out flows through from permeable membrane back cavity 97 tap water up to standard meeting life standard for drinking after activated carbon adsorption tank 98 processes and finally send into freshwater storage tank 99 and to live for islands and reefs people and drink.

Because self operating pressure of stage chamber pump 60 is high, occur for avoiding adverse current accident, stage pump water absorption tube 65 and stage pump rising pipe 69 all to be connected this special setting of horizontal outside screw backstop 80, guarantee the pre-treating seawater pressure of pre-treatment slack tank 50 li to bring up to 5 to 6 MPas (MPa) _ discharge pressure can not produce reverse counterflow, operational safety is reliable.The rotation spool 200 of horizontal outside screw backstop 80 possesses agile, distortion five tracts of runners 808 are had to be connected this special setting between annular flow road junction 202 with circular flow channel mouth 201, make in horizontal outside screw backstop 80 integral unit without any obstruction parts such as springs, just can realize uniflux function, completely eliminate the hidden danger because backstop fault effects islands and reefs fresh water generator system pipeline stops.

Because corrosive properly is extremely strong, the erosion resistance of equipment material especially seems important.

Table 1 is that the corrosion-resistant experimental data of the thyrite that adopts of upright spool 110 and conventional stainless material contrasts.

The anti-corrosion wear spillage experimental data contrast of (table 1) upright spool 110

Contrasting data from table 1 can draw: the thyrite that upright spool 110 of the present invention adopts has good erosion resistance compared with conventional stainless steel.

Table 2 is that the corrosion-resistant experimental data of surface accuracy of copper alloy hard anticorrosive material on pipe inner circle 121 wall of upper interior hemisphere face 187 and described lower interior hemisphere face 196 and cylindrical duct 120 and conventional stainless steel contrasts.

The anti-corrosion wear spillage experimental data contrast of the pipe inner circle 121 of hemisphere face 187 and described lower interior hemisphere face 196 and cylindrical duct 120 in (table 2) is upper

Contrasting data from table 2 can draw: copper alloy hard anticorrosive material of the present invention has good erosion resistance compared with conventional stainless steel.

Table 3 is that the input quadrangular 340 of thyrite compares with the corrosion resistant wear data of the input quadrangular 340 of common stainless steel material.

The corrosion resistant wear test synopsis of (table 3) input pentagonal prism 340

Contrasting data from table 3 can draw: the corrosive wear amount of thyrite is much smaller than the corrosive wear amount of conventional stainless steel.

Table 4 is that the output five limit sleeve pipe 240 of copper alloy hard anticorrosive material compares with the corrosion resistant wear data of the output five limit sleeve pipe 240 of common stainless steel material.

(table 4) exports the corrosion resistant wear test synopsis of five limit sleeve pipes 240

Contrasting data from table 4 can draw: the corrosive wear amount of copper alloy outside screw five-pointed star extension coupling is much smaller than the corrosive wear amount of common stainless steel shaft coupling.

Table 5 be rotation spool 200 adopt thyrite to contrast with adopting the corrosion-resistant experimental data of conventional stainless material.

The anti-corrosion wear spillage experimental data contrast of (table 5) rotation spool 200

Contrasting data from table 5 can draw: the thyrite that rotation spool 200 of the present invention adopts has good erosion resistance compared with conventional stainless steel.

Table 6 is that the copper alloy hard anticorrosive material of valve body inletpiston hard layer 308 and valve outlet plane hard layer 309 and the corrosion-resistant experimental data of surface accuracy of conventional stainless steel contrast.

The anti-corrosion wear spillage experimental data contrast of (table 6) valve body inletpiston hard layer 308 and valve outlet plane hard layer 309

Contrasting data from table 6 can draw: copper alloy hard anticorrosive material of the present invention has good erosion resistance compared with conventional stainless steel.

The transmission tube sealing gap 54 that the crucial matching component of the present invention adopts copper alloy outside screw five-pointed star extension coupling 40 to pass through divider wall 55 from inside to outside drives single-stage centrifugal pump 20 to obtain seawater through promoting water inlet pipe 21 from seabed water strainer 11, is connected to pre-treatment slack tank 50 obtained seawater is passed through the water pipe sealing gap 52 of divider wall 55 through being lifted out water pipe 29 ecto-entad after; The double hand-operated recreation apparatus 77 of indoor drive the ultimate speedy carding process axle 76 of ultimate gearbox 70 with per minute 1250 turns between rotary actuation stage chamber pump 60 high speed rotating, the stage pump water absorption tube 65 of stage chamber pump 60 is connected to pre-treatment slack tank 50, solve islands and reefs or the emergent or daily Drinking Water Problem of the seagoing vessel that casts anchor, provide new acquisition fresh water approach, improve islands and reefs and settle down living condition, and comfortable working environment, bring great convenience and feasibility.Particularly adopt a row 6 to 8 set a distance semicircle pits 347 of the pentagonal prism pivot pin 349 in copper alloy outside screw five-pointed star extension coupling 40 corresponding on circumferential position with the positioning through hole 438 on five equilateral trepannings 249, this scalable set a distance special construction among set a distance semicircle pit 347 is inserted into positioning ball 480 by cylinder corrosion resistant spring 488 thrust, the sealing gap of the divider wall 55 of different thickness can be passed through, improve the envrionment conditions obtaining fresh water, guarantee that operator can be in comfortable space to keep apart with severe environment residing for machinery equipment device, allow people comfortable, complete originally uninteresting in amusement atmosphere, tired manual operation, key has set up positioning through hole 438 outer end section shrink-fit to have disk rivet head 247, cylinder corrosion resistant spring 488 one end between disk rivet head 247 and described positioning ball 480 is supported on inside described disk rivet head 247, positioning ball 480 in the holder of cylinder corrosion resistant spring 488 the other end, can first guarantee can be connected transmitting torque and can not depart from by safety telescopic between the flexible cylindroid 340 of the output telescopic elliptic pipe 240 of aluminium alloy clutch tooth extension coupling 40 and input.

In addition, promote on water inlet pipe and configure vertical outside screw backstop 10, can guarantee that lifting water inlet pipe 21 and single-stage centrifugal pump 20 can retain water level when quitting work, can exempt using next time and will arrive the outdoor trouble adding diversion, be the key problem in technology of vertical outside screw backstop 10 for annular three even muscle circular jet road 157 connects between the spool circular hole 118 on spool on sphere 117.Blocking outside screw 152 close fit spool cavity wall 111 lower end cambered surface having technique screw 151 and interior hexagonal block 154 forms spool internal cavity 156 accurately can control the overall proportion of upright spool 110 well, without any obstruction parts such as springs in vertical outside screw backstop 10 integral unit, the omnidistance central object that may produce larger drag losses without spring etc. of whole runner, is particularly suitable for using in severe environment pipeline; Thoroughly avoid because damping spring can not bear torrent impact and bias voltage or malfunctioning caused chance failure occur, extend work-ing life to a great extent, direct benefit and indirect benefit are all very considerable.

Particularly all to connect on the stage pump water absorption tube 65 and stage pump rising pipe 69 of stage chamber pump 60 this special setting of horizontal outside screw backstop 80, guarantee that the discharge pressure pre-treating seawater pressure of pre-treatment slack tank 50 li being brought up to 5 to 6 MPas (MPa) can not produce reverse counterflow accident, operational safety is reliable.The rotation spool 200 of horizontal outside screw backstop 80 possesses agile, distortion five tracts of runners 808 are had to be connected this special setting between annular flow road junction 202 with circular flow channel mouth 201, make in horizontal outside screw backstop 80 integral unit without any obstruction parts such as springs, just can realize uniflux function, completely eliminate the hidden danger because of backstop fault effects islands and reefs fresh water generator system pipeline stopping fault.

Claims (3)

1. an Albatra metal-outside screw islands and reefs fresh water high-pressure membrane permeator, be positioned at indoor one hand to shake recreation apparatus (33) and drive the primary output shaft of elementary gearbox (30) (34) to rotate with per minute 755 to 770 to turn, described primary output shaft (34) and the shaft coupling of copper alloy outside screw five-pointed star extension coupling (40) input outside screw (341) and are fixedly connected with, described copper alloy outside screw five-pointed star extension coupling (40) passes through the transmission tube sealing gap (54) of divider wall (55) from inside to outside, the shaft coupling of described copper alloy outside screw five-pointed star extension coupling (40) exports outside screw (241) and is fixedly connected with the single stage pump input shaft (24) of single-stage centrifugal pump (20), the lifting water inlet pipe (21) of described single-stage centrifugal pump (20) is connected to seabed water strainer (11), being lifted out after water pipe (29) ecto-entad passes through the water pipe sealing gap (52) of described divider wall (55) of described single-stage centrifugal pump (20) is connected to pre-treatment slack tank (50), being positioned at indoor double hand-operated recreation apparatus (77) drives the ultimate speedy carding process axle (76) of ultimate gearbox (70) to rotate between per minute 1245 to 1255 turns, described ultimate speedy carding process axle (76) is fixedly connected with stage chamber pump (60) entering spindle, the stage pump water absorption tube (65) of described stage chamber pump (60) is connected to described pre-treatment slack tank (50), and the stage pump rising pipe (69) of described stage chamber pump (60) is connected to the permeable membrane ante-chamber (96) of reverse osmosis membrane assembly (90), the permeable membrane back cavity (97) of described reverse osmosis membrane assembly (90) is connected to activated carbon adsorption tank (98) and freshwater storage tank (99) successively, it is characterized in that: described lifting water inlet pipe (21) is in series with vertical outside screw backstop (10), described stage pump water absorption tube (65) and described stage pump rising pipe (69) are all in series with horizontal outside screw backstop (80),

Described copper alloy outside screw five-pointed star extension coupling (40) comprises output male connection (242), exports square universal joint (244), exports five limit sleeve pipes (240), inputs pentagonal prism (340), inputs square universal joint (344) and input male connection (342), described output square universal joint (244) has two to mutual vertically arranged output side's body nipple orifice (246) and output side's body collar aperture (245), described input square universal joint (344) has two to mutual vertically arranged body tubing string hole, input side (345) and input side's body nipple orifice (346), the out splice going splice both feet (243) of described output male connection (242) have out splice going splice pilot hole (236) shrink-fit out splice going splice bearing pin (266) outer end, are rotatable running fit between out splice going splice bearing pin (266) the inner and described output side's body nipple orifice (246), the output sleeve pipe both feet (248) on described output five limit sleeve pipe (240) have output sleeve pipe pilot hole (285) shrink-fit output sleeve pipe bearing pin (255) outer end, exporting between sleeve pipe bearing pin (255) the inner and described output side's body collar aperture (245) is rotatable running fit, the input adapter both feet (343) of described input male connection (342) have input adapter pilot hole (336) shrink-fit input adapter bearing pin (366) outer end, are rotatable running fit between input adapter bearing pin (366) the inner and described input side's body nipple orifice (346), the input sleeve pipe both feet (348) of described input pentagonal prism (340) having input sleeve pipe pilot hole (385) shrink-fit input tube axis pin of column (355) outer end, is rotatable running fit between input tube axis pin of column (355) the inner and described body tubing string hole, input side (345), for being slidably matched between five equilateral trepannings (249) of described output five limit sleeve pipe (240) the other end and the pentagonal prism pivot pin (349) of input pentagonal prism (340) the other end, described pentagonal prism pivot pin (349) at least one outer side is furnished with a row 6 to 8 set a distance semicircle pits (347), described five equilateral trepanning (249) at least one medial surface are furnished with a positioning through hole (438) corresponding on circumferential position with described set a distance semicircle pit (347), there is stop bit flange (437) described positioning through hole (438) the inner, described positioning through hole (438) outer end section shrink-fit has disk rivet head (247), cylinder corrosion resistant spring (488) is had between disk rivet head (247) and positioning ball (480), described output five limit sleeve pipe (240) entirety is for adopting copper alloy anticorrosive material, elementary composition by following weight percent of described copper alloy anticorrosive material: Cu:38-39, Cr:8-9, Zn:7-8, Ti:6-7, Ni:5-6, Al:4-5, Nb:3-4, Co:2-3, Sn:1.7-1.9, Mn:1.4-1.6, Mo:1.1-1.3, surplus is Fe and inevitable impurity, the weight percent content of described impurity is: C is less than 0.07, Si is less than 0.12, S is less than 0.0l4, P and is less than 0.012, described input pentagonal prism (340) entirety is silicon carbide ceramics, with SiC (silicon carbide) for base-material, be equipped with mineralizer MgO (magnesium oxide), (barium carbonate) and bonding clay form, and the weight percent content of its each component is SiC:93-94, MgO:1.7-1.9, : 1.7-1.9, bonding clay: 2.2-3.6, described cylinder corrosion resistant spring (488) scantlings of the structure is diameter of section 0.53 to 0.54 millimeter, nominal diameter 5.3 to 5.4 millimeters, spring heights 23 to 24 millimeters, described positioning ball (480) diameter is 7.3 to 7.4 millimeters.

2. an Albatra metal-outside screw islands and reefs fresh water high-pressure membrane permeator according to claim 1, it is characterized in that: described vertical outside screw backstop (10) comprises lower outside thread head hemispherical Shell (190), upper outside thread head hemispherical Shell (180), cylindrical duct (120) and upright spool (110), there are connection import outside screw (192) and entrance end sealing plane (191) in circular hole inlet pipe (195) lower end on described lower outside thread head hemispherical Shell (190); There are connection outlet outside screw (182) and exit end sealing plane (181) in circular hole outlet pipe (185) upper end on described upper outside thread head hemispherical Shell (180); Lower hexagonal flange (198) on described lower outside thread head hemispherical Shell (190) and have six groups of valve casing bolt and nut groups (140) sealing location fixing between the upper hexagonal flange (189) on upper outside thread head hemispherical Shell (180); Lower interior hemisphere face (196) on described lower outside thread head hemispherical Shell (190) have for transition fit between the pipe cylindrical (123) in recessed circular groove (193) inner circle and described cylindrical duct (120), the low groove baseplane (194) on described recessed circular groove (193) and contacting for sealing between the pipe lower surface (129) in described cylindrical duct (120); Upper interior hemisphere face (187) on described upper outside thread head hemispherical Shell (180) have for transition fit between fovea superior circular groove (183) inner circle and described pipe cylindrical (123), the upper groove baseplane (184) on described fovea superior circular groove (183) and contacting for sealing between the pipe upper surface (128) in described cylindrical duct (120); Be clearance fit between spool cylindrical (112) on pipe inner circle (121) in described cylindrical duct (120) and described upright spool (110), spool lower peripheral surface (115) subsequent corrosion on described upright spool (110) is identical with described lower interior hemisphere face (196) subsequent corrosion coincide, and on the spool on described upright spool (110), sphere (117) subsequent corrosion is identical with described upper interior hemisphere face (187) subsequent corrosion coincide; Connect for annular three connects muscle circular jet road (157) between spool circular hole (118) on spool annular aperture (119) on described spool lower peripheral surface (115) and described spool on sphere (117), described annular three connects on muscle circular jet road (157) has three to connect muscle back up pad (114); Described three connect muscle back up pad (114) medial surface is fixedly connected on the spool cavity wall (111) on described upright spool (110), and described three connect muscle back up pad (114) outer side is fixedly connected on the cylindrical inner side-wall (113) of described spool cylindrical (112) inner side; The described three single leaf thicknesses connected on muscle back up pad (114) are that 1/13 to 1/15, described three of described spool circular hole (118) diameter connects muscle back up pad (114) length and is 330 to 350 millimeters; Blocking outside screw (152) close fit described spool cavity wall (111) lower end cambered surface having technique screw (151) and interior hexagonal block (154) forms spool internal cavity (156); The lower interior hemisphere face (196) that described upper interior hemisphere face (187) is upper and described all there is a layer thickness to be 0.4 to 0.6 millimeter of copper alloy hard anticorrosive material, pipe inner circle (121) wall of described cylindrical duct (120) there is a layer thickness for the copper alloy hard anticorrosive material described in 0.4 to 0.6 millimeter, the silicon carbide ceramics described in the overall material of described upright spool (110) adopts.

3. an Albatra metal-outside screw islands and reefs fresh water high-pressure membrane permeator according to claim 1, it is characterized in that: described horizontal outside screw backstop (80) comprises cylinder axis (100), rotation spool (200), outside screw valve body (300), trip bolt (700) and outer end cap (900), there is outside screw head (305) outlet elbow (301) on described outside screw valve body (300) and import bend pipe (302) outer end, and there are connection outside screw (307) and outside screw sealing plane (304) in outside screw head (305) outer end; Described outlet elbow (301) the inner is connected to the valve body inletpiston hard layer (308) of described outside screw valve body (300), and described import bend pipe (302) the inner is connected to the valve outlet plane hard layer (309) of described outside screw valve body (300); Described valve body inletpiston hard layer (308) is connected with the fan-shaped cambered surface of valve body (603) with the upper limb of valve outlet plane hard layer (309), described valve body inletpiston hard layer (308) is connected with valve body circle cancave cambered surface (602) with the lower rim of valve outlet plane hard layer (309), and the valve body side plane (306) of described outside screw valve body (300) both sides respectively has screw hole (207); Outer end cap (900) described in two there is the end cap counterbore (907) corresponding with described screw hole (207); Described trip bolt (700) matches with described screw hole (207) is fastening through described end cap counterbore (907), is close to airtight by the end cap inner plane (908) of described outer end cap (900) and described valve body side plane (306); Enclosing cover axis hole (901) on outer end cap (900) described in two and described cylinder axis (100) two ends seal shrink-fit; Described cylinder axis (100) cylindrical coordinates with spool circular hole (801) rotary sliding of described rotation spool (200); End cap inner plane (908) running fit of the valve element circle end surfaces (809) of described rotation spool (200) both sides and the outer end cap (900) described in two; The spool pipe cambered surface (802) of described rotation spool (200) there is spool fan-shaped cylinder (205); There is annular flow road junction (202) spool entrance end plane (208) side of described spool fan-shaped cylinder (205), and there is circular flow channel mouth (201) spool exit end plane (209) side of described spool fan-shaped cylinder (205); Distortion five runners (808) are had to be connected between described annular flow road junction (202) and described circular flow channel mouth (201); Have between bend flow channel cone (204) part that described distortion five runners (808) are contained and described spool fan-shaped cylinder (205) and be connected five muscle (404) and be connected; Described rotation spool (200) and bend flow channel cone (204) part and spool fan-shaped cylinder (205) channel floor material all adopt silicon carbide ceramics, the thickness of described valve body inletpiston hard layer (308) and described valve outlet plane hard layer (309) is 0.9 to 1.1 millimeter, and the material of described valve body inletpiston hard layer (308) and described valve outlet plane hard layer (309) all adopts copper alloy hard anticorrosive material; Single leaf thickness of described connection five muscle (404) is 1/13 to 1/15 of circular flow channel mouth (201) diameter.